2007
Schedule of Held-to-maturity Securities [Line Items]Held-to-maturity Securities, Debt Maturities [Abstract]
Held-to-maturity Securities, Debt Maturities, Basis of AllocationMortgage-backed securities are disclosed separately in the table below as these investment securities may prepay prior to their scheduled contractual maturity dates.
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount6,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount292,571,000
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount292,577,000
Held-to-maturity Securities, Debt Maturities, Fair Value [Abstract]
Held-to-maturity Securities, Debt Maturities, within One Year, Fair Value6,000
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value287,638,000
Held-to-maturity Securities, Debt Maturities, Fair Value287,644,000