Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2012	$ 3,757	$ 122,475	$ 97,964	$ 7,899	$ (11,558)
Equity based compensation		63
Net income			1,694			1,694
Additional minimum pension liability, net of tax				80
Net unrealized holding (losses) gains arising during period, net of tax				5,784
Reclassification adjustment for gains included in net income, net of tax				(765)
Balance at Mar. 31, 2013	3,757	122,538	99,658	12,998	(11,558)	227,393
Balance at Dec. 31, 2013	3,757	122,827	106,209	16,883	(11,558)	238,118
Equity based compensation		110
Net income			4,548			4,548
Additional minimum pension liability, net of tax				26
Net unrealized holding (losses) gains arising during period, net of tax				(1,070)
Reclassification adjustment for gains included in net income, net of tax				(120)
Balance at Mar. 31, 2014	$ 3,757	$ 122,937	$ 110,757	$ 15,719	$ (11,558)	$ 241,612