Summary Of Significant Accounting And Reporting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest-bearing balances held at depository institutions	$ 243,000,000	$ 199,600,000
Interest paid	19,200,000	26,500,000	37,100,000
Income taxes paid	1,000,000	5,900,000	15,200,000
Transfer of loans to other real estate (noncash)	2,600,000	62,300,000	33,900,000
Restricted cash and cash equivalents	3,000,000	2,300,000
Net unamortized deferred loan fees	100,000	100,000
Percentage of losses covered by the FDIC	80.00%
Cumulative net losses	35,000,000
Reserve for unfunded loan commitments	2,900,000	2,200,000
Other Real Estate, Non Covered	11,315,000	19,844,000
Other Real Estate, Covered	3,643,000	4,529,000
Fair value of loan servicing rights	2,300,000	1,800,000
Antidilutive options to purchase common shares	5,000	73,814	213,355
Antidilutive warrant to purchase shares of common stock	703,753	703,753	703,753
Minimum [Member]
Percentage change in fair value to be considered highly effective	80.00%
Stock option expiration period after grant	5 years
Minimum [Member] | Building and Building Improvements [Member]
Premises and equipmet, useful life	10 years
Minimum [Member] | Furniture, Fixtures and Equipment [Member]
Premises and equipmet, useful life	3 years
Maximum [Member]
Percentage of losses covered by the FDIC	95.00%
Cumulative net losses	$ 35,000,000
Percentage change in fair value to be considered highly effective	125.00%
Stock option expiration period after grant	10 years
Maximum [Member] | Building and Building Improvements [Member]
Premises and equipmet, useful life	40 years
Maximum [Member] | Furniture, Fixtures and Equipment [Member]
Premises and equipmet, useful life	10 years
2008 Stock Based Award Plan [Member]
Common stock reserved for issuance	800,000