Consolidated Statements of Comprehensive Loss (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,792	$ (3,183)	$ 4,069	$ (7,779)
Other comprehensive income (loss):
Unrealized holdings gains (losses) arising during the period on available-for-sale securities	8,266	(16,514)	13,557	(21,448)
Tax effect	(3,161)	6,523	(5,185)	8,472
Unrealized holdings gains (losses) arising during the period on available-for-sale securities, net of tax	5,105	(9,991)	8,372	(12,976)
Reclassification adjustment for gain on available-for-sale securities included in net income	(720)	(345)	(720)	(2,723)
Tax effect	275	136	275	1,076
Reclassification adjustment for gain on available-for-sale securities included in net income, net of tax	(445)	(209)	(445)	(1,647)
Unrealized gain (loss) on interest rate swaps	(414)	0	(373)	0
Tax effect	159	0	143	0
Unrealized gain (loss) on interest rate swaps, net of tax	(255)	0	(230)	0
Change in defined benefit plans liability	0	(255)	0	(509)
Tax effect	0	101	0	201
Change in defined benefit plans liability, net of tax	0	(154)	0	(308)
Other comprehensive income (loss), net of tax	4,405	(10,354)	7,697	(14,931)
Comprehensive income (loss)	$ 7,197	$ (13,537)	$ 11,766	$ (22,710)