Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 2,761	$ 6,428	$ 9,207	$ 9,910
Other comprehensive (loss) / income:
Unrealized security holding (losses) / gains	(1,959)	2,477	(7,685)	7,240
Reclassification for net gains on investments included in earnings	(344)	(329)	(3,935)	(1,696)
Other comprehensive (loss) / income, before income tax (benefit) / expense	(2,303)	2,148	(11,620)	5,544
Income tax (benefit) / expense related to items of other comprehensive income	(947)	883	(4,782)	2,281
Other comprehensive (loss) / income	(1,356)	1,265	(6,838)	3,263
Comprehensive income	$ 1,405	$ 7,693	$ 2,369	$ 13,173