Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Unrealized gain (loss) on interest rate swaps, tax	$ (1)	$ 37	$ 37	$ 58
Reclassification adjustment for losses recognized in earnings, tax	(33)	(33)	(66)	(67)
Unrealized gains on other-than-temporarily impaired securities available for sale arising during the period, tax	(90)	0	(90)	(48)
Unrealized gains on other securities available for sale arising during the period, tax	3,488	(1,762)	838	(4,032)
Reclassification adjustment for realized gains included in net income, tax	$ 165	$ 48	$ 172	$ 71