Real Estate and Accumulated Depreciation [Line Items]
Real Estate and Accumulated Depreciation, Amount of Encumbrances Real Estate and Accumulated Depreciation, Initial Cost of Land Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements Real Estate and Accumulated Depreciation, Initial Cost Other Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition Real Estate and Accumulated Depreciation, Carrying Amount of Land, Buildings, Improvements and Other Intangibles [Abstract] Real Estate and Accumulated Depreciation, Accumulated Depreciation Real Estate and Accumulated Depreciation, Life Used for Depreciation Real Estate and Accumulated Depreciation, Construction Date Real Estate and Accumulated Depreciation, Acquisition Date
Real Estate and Accumulated Depreciation, Carrying Amount of Land Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements Real Estate and Accumulated Depreciation, Carrying Amount of Other Intangibles Real Estate and Accumulated Depreciation, Carrying Amount of Land, Buildings, Improvements and Other Intangibles
Real Estate Under Development, Current [Member] Property Type [Domain] Industrial [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] East Belt Parkway, Houston, TX [Member] 6,859,000 1,041,000 6,341,000 1,518,000 5,864,000 7,382,000 0 2007
Land [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] CG Interstate, Phoenix, AZ [Member] 4,797,000 5,051,000 2,380,000 7,431,000 7,431,000 2006
High Street Siena, Denver, CO [Member] 1,186,000 1,186,000 1,186,000 2006
Mixed Use (Multi-family or Retail) [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] High Street Rainey, Austin, TX [Member] 36,452,000 482,000 47,199,000 482,000 47,199,000 47,681,000 0 2006
PMC Houston, Houston, TX [Member] 44,995,000 27,938,000 17,857,000 35,515,000 10,280,000 45,795,000 0 2007
Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Cascade Station Office II, Portland, OR [Member] 576,000 1,233,000 282,000 598,000 1,233,000 880,000 2,113,000 0 2006
Rockwood, Portland, OR [Member] 7,310,000 3,116,000 4,588,000 3,205,000 4,499,000 7,704,000 0 2007
Retail [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Atascocita Commons, Humble, TX [Member] 17,332,000 6,211,000 5,639,000 5,065,000 5,813,000 11,102,000 16,915,000 0 2006
Fairway Centre, Pasadena, TX [Member] 4,960,000 3,061,000 1,797,000 1,623,000 3,513,000 2,968,000 6,481,000 0 2006
Real Estate Held for Sale [Member] Property Type [Domain] Industrial [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Brampton, Brampton, ON [Member] 2,465,000 8,000 1,334,000 3,766,000 41,000 3,807,000 2006 2006
Pennsy Drive, Landover, MD [Member] 13,640,000 2,460,000 8,506,000 1,348,000 2,460,000 9,854,000 12,314,000 1966 2006
Land [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Lake Park Plaza, Lewisville, TX [Member] 1,332,000 1,332,000 1,332,000 2006
McKinnon, Vaughan, ON [Member] 10,865,000 13,222,000 4,187,000 17,409,000 17,409,000 2006
Sierra Corporate Center, Reno, NV [Member] 2,056,000 401,000 2,457,000 2,457,000 2006
Stassney Heights, Austin, TX [Member] 379,000 379,000 379,000 2006
Medical Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Ballenger Crow, Flint, MI [Member] 6,500,000 2,861,000 5,008,000 7,869,000 7,869,000 2006 2006
Chestnut Commons, Elyria, OH [Member] 6,670,000 1,220,000 9,298,000 1,659,000 8,859,000 10,518,000 2007 2007
Concord Place, Oklahoma City, OK [Member] 3,355,000 506,000 645,000 2,849,000 408,000 3,592,000 4,000,000 2006 2006
Oakmont, Ft. Worth, TX [Member] 3,449,000 750,000 3,248,000 58,000 3,940,000 3,998,000 2007 2006
TC DUHS, Charlotte, NC [Member] 10,714,000 76,000 8,004,000 104,000 3,105,000 76,000 11,109,000 104,000 11,289,000 2006 2006
Mixed Use (Multi-family or Retail) [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] High Street Clarkson, Denver, CO [Member] 67,000 230,000 67,000 230,000 297,000 2004 2006
High Street Columbia, Washington, DC [Member] 2,122,000 41,000 182,000 41,000 182,000 223,000 2006 2006
Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] 6660 Doubletree, Columbus, OH [Member] 1,294,000 570,000 157,000 789,000 576,000 233,000 707,000 1,516,000 1974 2006
Cascade Station Office A, Portland, OR [Member] 365,000 1,662,000 1,566,000 1,524,000 2,069,000 3,593,000 2007 2006
Concord Commons, Englewood, CO [Member] 434,000 28,000 462,000 462,000 2005 2006
Meridian Tower, Tulsa, OK [Member] 6,172,000 1,218,000 8,094,000 382,000 -390,000 1,216,000 7,833,000 255,000 9,304,000 1981 2006
Retail [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Centre Point Commons, Bradenton, FL [Member] 22,200,000 7,484,000 13,223,000 3,203,000 14,636,000 9,274,000 23,910,000 2007 2006
Northwood, Austin, TX [Member] 5,485,000 1,944,000 5,969,000 7,000 -42,000 1,937,000 5,937,000 4,000 7,878,000 1974 2006
Parmer Lane Village, Austin, TX [Member] 2,359,000 916,000 1,692,000 90,000 -71,000 872,000 1,672,000 83,000 2,627,000 2003 2006
Real Estate Under Development, Noncurrent [Member] Property Type [Domain] Industrial [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] MROTC Steel Hangers, Oklahoma City, OK [Member] 8,703,000 915,000 1,555,000 740,000 6,474,000 915,000 8,029,000 740,000 9,684,000 0 2006
Land [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] 301 Ocean, Santa Monica, CA [Member] 14,000,000 50,396,000 588,000 50,984,000 50,984,000 2007
Atascocita Commons II, Humble, TX [Member] 2,999,000 2,833,000 271,000 3,104,000 3,104,000 2006
Branford, Los Angeles, CA [Member] 19,105,000 1,912,000 21,017,000 21,017,000 2007
High Street Emerson, Denver, CO [Member] 1,050,000 2,094,000 127,000 2,221,000 2,221,000 2006
Oak Park, Houston, TX [Member] 635,000 242,000 877,000 877,000 2007
TCDFW I-20 II, Dallas, TX [Member] 2,389,000 1,921,000 233,000 2,154,000 2,154,000 2006
Timbercreek, Dallas, TX [Member] 26,035,000 33,865,000 2,119,000 35,984,000 35,984,000 2006
Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Saracen Building 1, Waltham, MA [Member] 8,378,000 4,233,000 7,000 8,378,000 4,240,000 12,618,000 1950 2007
Real Estate Held for Investment [Member] Property Type [Domain] Industrial [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] 2801 Summit Associates, Plano, TX [Member] 2,900,000 1,082,000 1,986,000 345,000 -544,000 802,000 1,986,000 81,000 2,869,000 -85,000 39 1989 2006
Air-T Industrial, Memphis, TN [Member] 4,002,000 1,139,000 3,069,000 883,000 -398,000 1,145,000 3,125,000 423,000 4,693,000 -94,000 39 1976 2007
Baker Industrial, Memphis, TN [Member] 1,249,000 498,000 641,000 269,000 -254,000 503,000 645,000 6,000 1,154,000 -46,000 39 1972 2007
Bellbrook Industrial, Memphis, TN [Member] 14,100,000 9,642,000 1,627,000 3,657,000 3,796,000 9,556,000 7,313,000 1,853,000 18,722,000 -147,000 39 1975 2007
MROTC, Oklahoma City, OK [Member] 12,998,000 3,223,000 3,347,000 3,142,000 3,017,000 6,695,000 9,712,000 -433,000 39 2007 2006
SC Industrial, Memphis, TN [Member] 5,882,000 3,506,000 317,000 666,000 1,582,000 3,513,000 2,243,000 315,000 6,071,000 -38,000 39 1969 2007
Land [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Fairway Centre, Pasadena, TX [Member] 2,474,000 -273,000 2,201,000 2,201,000 2006
ADC Associates, Oklahoma City, OK [Member] 558,000 558,000 558,000 2006
Arrowood, Charlotte, NC [Member] 321,000 321,000 321,000 2006
Ballpark Way, Houston, TX [Member] 5,380,000 8,218,000 8,218,000 8,218,000 2006
Bee Caves, Austin, TX [Member] 172,000 172,000 172,000 2006
CG Sunland, Phoenix, AZ [Member] 1,472,000 128,000 1,600,000 1,600,000 2006
Greenhill, Tulsa, OK [Member] 1,213,000 1,347,000 605,000 1,952,000 1,952,000 2006
Lakeline Retail, Cedar Park, TX [Member] 5,000 5,000 5,000 2006
NCC Consortium, Reston, VA [Member] 145,000 21,000 166,000 166,000 2006
SA Crossroads, San Antonio, TX [Member] 2,131,000 22,000 2,153,000 2,153,000 2006
Saracen, Waltham, MA [Member] 2,538,000 2,538,000 2,538,000 2007
TCDFW LCT, Irving, TX [Member] 3,452,000 3,452,000 3,452,000 2006
Medical Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Colwick, Charlotte, NC [Member] 0 593,000 2,997,000 308,000 593,000 3,305,000 3,898,000 -34,000 39 1970 2007
Mixed Use (Multi-family or Retail) [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] High Street Rainey, Austin, TX [Member] 1,241,000 645,000 1,241,000 645,000 1,886,000 -9,000 39 2007 2006
Office [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] 110 Free Street, Portland, ME [Member] 6,454,000 2,717,000 5,283,000 931,000 2,797,000 6,134,000 8,931,000 -85,000 39 1946 2007
1105 Schrock, Columbus, OH [Member] 10,123,000 1,844,000 7,089,000 2,465,000 772,000 1,936,000 8,237,000 1,997,000 12,170,000 -140,000 39 1982 2006
6460 Busch, Columbus, OH [Member] 1,565,000 483,000 950,000 444,000 -98,000 519,000 1,046,000 214,000 1,779,000 -45,000 39 1980 2006
6600 Busch, Columbus, OH [Member] 1,153,000 642,000 185,000 458,000 -217,000 586,000 280,000 202,000 1,068,000 -41,000 39 1972 2006
898 Sepulveda, El Segundo, CA [Member] 18,544,000 6,986,000 16,331,000 -1,240,000 7,600,000 12,720,000 1,757,000 22,077,000 -245,000 39 1978 2006
Hamilton, Torrance, CA [Member] 13,700,000 9,111,000 10,695,000 30,000 9,111,000 10,725,000 19,836,000 -23,000 39 1984 2007
Northeast Office 161, Morristown, NJ [Member] 5,155,000 403,000 4,076,000 831,000 487,000 433,000 4,795,000 569,000 5,797,000 -108,000 39 1974 2006
Northeast Office 163, Morristown, NJ [Member] 10,238,000 2,522,000 8,193,000 695,000 1,047,000 2,631,000 9,758,000 68,000 12,457,000 -162,000 39 1974 2006
Oak Brook, Oak Brook, IL [Member] 10,011,000 4,784,000 8,217,000 3,006,000 4,868,000 11,139,000 16,007,000 -178,000 39 1972 2007
Park South, Charlotte, NC [Member] 9,024 2,155,000 10,111,000 556,000 -146,000 2,120,000 10,171,000 385,000 12,676,000 -108,000 39 1980 2007
Saracen Building 2, Waltham, MA [Member] 2,690,000 1,359,000 12,000 2,702,000 1,359,000 4,061,000 -3,000 39 1966 2007
Saracen Building 3, Waltham, MA [Member] 11,837,000 5,979,000 1,000 11,837,000 5,980,000 17,817,000 -13,000 39 1943 2007
Saracen Building 4, Waltham, MA [Member] 420,000 212,000 1,000 420,000 213,000 633,000 -1,000 39 1920 2007
Seafed, Seattle, WA [Member] 5,193,000 827,000 5,875,000 158,000 840,000 6,020,000 6,860,000 -89,000 39 1984 2007
South Executive, Charlotte, NC [Member] 9,875,000 1,690,000 12,195,000 532,000 281,000 1,593,000 12,797,000 308,000 14,698,000 -160,000 39 1973 2007
Warwick, West Warwick, RI [Member] 165,000 8,245,000 14,024,000 14,000 8,245,000 14,038,000 22,283,000 -30,000 39 1973 2007
Retail [Member] Real Estate and Accumulated Depreciation, Name of Property [Domain] Arvada Marketplace East, Arvada, CO [Member] 7,500,000 3,743,000 5,427,000 46,000 27,000 3,730,000 5,477,000 36,000 9,243,000 -153,000 39 1987 2006
Atascocita Commons Retail, Humble, TX [Member] 1,127,000 593,000 1,275,000 35,000 595,000 1,308,000 1,903,000 -33,000 39 2006 2006
Atascocita Commons Retail A, Humble, TX [Member] 1,416,000 640,000 2,427,000 37,000 640,000 2,464,000 3,104,000 -61,000 39 2006 2006
Atascocita Commons Retail B, Humble, TX [Member] 1,640,000 510,000 2,316,000 64,000 522,000 2,368,000 2,890,000 -63,000 39 2006 2006
Bellbrook Retail, Memphis, TN [Member] 2,308,000 899,000 411,000 85,000 298,000 905,000 736,000 52,000 1,693,000 -44,000 39 1975 2007
Crossroads Mall, San Antonio, TX [Member] 13,500,000 7,233,000 5,924,000 -1,001,000 87,000 7,245,000 6,009,000 -1,011,000 12,243,000 -169,000 39 1961 2006
Property Purpose [Domain] Property Type [Domain] Real Estate and Accumulated Depreciation, Name of Property [Domain] 466,032,000 319,327,000 209,106,000 13,043,000 147,604,000 351,984,000 327,948,000 9,148,000 689,080,000 -2,840,000