Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income (loss)	$ 27,731	$ (1,864)	$ (23,400)
Investment securities available for sale
Increase (decrease) in net unrealized gains	(7,532)	(18,854)	8,568
Plus: reclassification adjustment of net gains included in net income (loss)	310	10,494	157
Increase (decrease) in net unrealized gains on investment securities available for sale	(7,222)	(8,360)	8,725
Defined benefit pension plan
Change in net actuarial loss	1,392	1,292	(1,852)
Other comprehensive income (loss), pretax	(5,830)	(7,068)	6,873
Change in net actuarial loss of defined benefit pension plan	1,392	1,292	(1,852)
Other comprehensive income (loss), pretax	(5,830)	(7,068)	6,873
Provision (benefit) for income taxes related to items of other comprehensive income (loss)	(2,254)	(2,721)	2,664
Other comprehensive income (loss), net of tax	(3,576)	(4,347)	4,209
Comprehensive income (loss)	$ 24,155	$ (6,211)	$ (19,191)