Fair Values of Assets and Liabilities (Measured on Nonrecurring Basis) (Details) (Continuing operations [Member], Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Total [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Impaired loans, net	$ 12,968	$ 13,575
Other real estate owned	33,790	48,480
Total assets at fair value	46,758	62,055
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Total assets at fair value		0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Impaired loans, net	12,968	13,575
Other real estate owned	33,790	48,480
Total assets at fair value	$ 46,758	$ 62,055