Fair Values of Assets and Liabilities (Measured on Nonrecurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Continuing operations [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Loans held for sale	$ 1,324	$ 4,529
Continuing operations [Member] | Nonrecurring [Member] | Total [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Loans held for sale		4,529
Impaired loans, net	32,054	31,266
Expected loans		308,594
Contractual loans		65,283
Other real estate owned	50,126	84,794
Total assets at fair value	82,180	494,466
Continuing operations [Member] | Nonrecurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Loans held for sale		4,529
Total assets at fair value		4,529
Continuing operations [Member] | Nonrecurring [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Impaired loans, net	32,054	31,266
Expected loans		308,594
Contractual loans		65,283
Other real estate owned	50,126	84,794
Total assets at fair value	82,180	489,937
Discontinued operations [Member] | Nonrecurring [Member] | Total [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Loans held for sale		233
Total assets at fair value		233
Discontinued operations [Member] | Nonrecurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Loans held for sale		233
Total assets at fair value		$ 233