Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated other comprehensive income (loss), beginning balance			$ (8,809)	$ (1,553)
Other comprehensive income (loss) before reclassifications			(703)	1,447
Amounts reclassed from accumulated other comprehensive income			1,087	527
Total other comprehensive income (loss), net of tax	$ 658	$ (779)	384	1,974
Accumulated other comprehensive (loss) income, ending balance	(8,425)	421	(8,425)	421
Net Unrealized Gains on AFS Securities [Member]
Accumulated other comprehensive income (loss), beginning balance			4,222	3,201
Other comprehensive income (loss) before reclassifications			(693)	1,476
Amounts reclassed from accumulated other comprehensive income			0	0
Total other comprehensive income (loss), net of tax			(693)	1,476
Accumulated other comprehensive (loss) income, ending balance	3,529	4,677	3,529	4,677
Net Unrealized Losses on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss), beginning balance			(287)	(618)
Other comprehensive income (loss) before reclassifications			(10)	(29)
Amounts reclassed from accumulated other comprehensive income			265	277
Total other comprehensive income (loss), net of tax			255	248
Accumulated other comprehensive (loss) income, ending balance	(32)	(370)	(32)	(370)
Pension Benefit Adjustment [Member]
Accumulated other comprehensive income (loss), beginning balance			(12,744)	(4,136)
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassed from accumulated other comprehensive income			822	250
Total other comprehensive income (loss), net of tax			822	250
Accumulated other comprehensive (loss) income, ending balance	$ (11,922)	$ (3,886)	$ (11,922)	$ (3,886)