Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 3,027	$ 2,768
Other comprehensive income, net of tax:
Change in accumulated gain on effective cash flow hedging derivatives	96	43
Change in unrealized losses on investment securities, net of tax:
Securities with OTTI charges during the period	(25)	(25)
Less: OTTI charges recognized in net income	(17)	(25)
Net unrealized losses on investment securities with OTTI	(8)
Unrealized holding (losses) gains arising during the period	(425)	21
Less: reclassification adjustment for losses included in net income	9	8
Net unrealized (losses) gains on investment securities	(434)	13
Other comprehensive (loss) income	(346)	56
Total comprehensive income	$ 2,681	$ 2,824