CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (PARENTHETICAL) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Tax on unrealized (loss) gain on investment securities available-for-sale	$ (1,502)	$ (1,034)	$ (1,330)
Tax on reclassification for realized losses	0	(169)	83
Tax on minimum pension liability adjustment	1	979	(291)
Tax on reclassification for realized losses	177	132	182
Tax on unrealized (loss) gain on hedging contracts	0	1	8
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	$ 0	$ (3)	$ 0