Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Preferred Stock	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balance at Dec. 31, 2011	$ 63,500	$ 104,841	$ 185,491	$ (8,682)	$ 345,150
Beginning balance, shares at Dec. 31, 2011		16,909,820
Net income (loss)			(1,892)		(1,892)
Common stock issued into dividend reinvestment plan		335			335
Common stock issued into dividend reinvestment plan, shares		31
Repurchases of common stock		(2)			(2)
Repurchases of common stock, shares
Cash dividends declared			(2,712)		(2,712)
Preferred dividends			(1,589)		(1,589)
Stock-based compensation		263			263
Stock-based compensation, shares		32
Other comprehensive income				521	521
Ending balance at Jun. 30, 2012	63,500	105,437	179,298	(8,161)	340,074
Ending balance, shares at Jun. 30, 2012		16,973,008			16,973,008
Beginning balance at Dec. 31, 2012	70,787	131,877	153,629	(176)	356,117
Beginning balance, shares at Dec. 31, 2012		19,669,302			19,669,302
Net income (loss)			8,688		8,688
Cash dividends declared			(3,147)		(3,147)
Preferred dividends			(462)		(462)
Stock-based compensation		220			220
Stock-based compensation, shares		11
Other comprehensive income				(1,311)	(1,311)
Ending balance at Jun. 30, 2013	$ 70,787	$ 132,097	$ 158,708	$ (1,487)	$ 360,105
Ending balance, shares at Jun. 30, 2013		19,679,659			19,679,659