Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net income	$ 2,768	$ 2,126
Other comprehensive income (loss), net of tax:
Change in accumulated gain on effective cash flow hedging derivatives	43	149
Change in unrealized losses on investment securities, net of tax:
Securities with OTTI charges during the period	(25)	(67)
Less: OTTI charges recognized in net income	(25)	(56)
Net unrealized gains (losses) on investment securities with OTTI		(11)
Unrealized holding losses arising during the period	21	(462)
Less: reclassification adjustment for losses included in net income	8	(32)
Net unrealized gains on investment securities	13	(430)
Other comprehensive income (loss)	56	(292)
Total comprehensive income	$ 2,824	$ 1,834