Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning Balance at Dec. 31, 2010	$ 176,055	$ 142,318	$ 111,049	$ (4,778)	$ (72,534)
Beginning Balance, Shares at Dec. 31, 2010		30,938
Comprehensive income:
Net income	1,166		1,166
Other comprehensive income	5,701			5,701
Stock based compensation	220	195	(305)		330
Stock based compensation, shares		31
Ending Balance at Jun. 30, 2011	183,142	142,513	111,910	923	(72,204)
Ending Balance, Shares at Jun. 30, 2011		30,969
Beginning Balance at Dec. 31, 2011	188,745	128,031	110,681	5,032	(54,999)
Beginning Balance, Shares at Dec. 31, 2011		32,598
Comprehensive income:
Net income	3,858		3,858
Other comprehensive income	2,542			2,542
Stock based compensation	486	107	(2,820)		3,199
Stock based compensation, shares		287
Ending Balance at Jun. 30, 2012	$ 195,631	$ 128,138	$ 111,719	$ 7,574	$ (51,800)
Ending Balance, Shares at Jun. 30, 2012		32,885