Other Comprehensive Income (Loss) (Activity in 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
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Net change in fair value of securities available for sale, before tax		$ 543	$ (1,489)	$ (1,018)	$ 2,312
Net change in fair value of securities available for sale, tax		199	(536)	(325)	836
Net change in fair value of securities available for sale		344	(953)	(693)	1,476
Change in fair value of cash flow hedges, before tax		(15)	(10)	(21)	(34)
Change in fair value of cash flow hedges, tax		(14)	(11)	(11)	(5)
Change in fair value of cash flow hedges		(1)	1	(10)	(29)
Net cash flow hedge losses reclassified into earnings, before tax	[1]	132	145	418	434
Net cash flow hedge losses reclassified into earnings, tax	[1]	50	53	153	157
Net cash flow hedge losses reclassified into earnings	[1]	82	92	265	277
Net change in fair value of cash flow hedges, before tax		117	135	397	400
Net change in fair value of cash flow hedges, tax		36	42	142	152
Net change in fair value of cash flow hedges		81	93	255	248
Defined benefit plan obligation adjustment, before tax	[2]	367	126	1,102	380
Defined benefit plan obligation adjustment, tax	[2]	134	45	280	130
Defined benefit plan obligation adjustment, net of tax	[2]	233	81	822	250
Total other comprehensive (loss) income, before tax		1,027	(1,228)	481	3,092
Total other comprehensive (loss) income, tax		369	(449)	97	1,118
Total other comprehensive income (loss), net of tax		$ 658	$ (779)	$ 384	$ 1,974

[1] Included in interest expense on junior subordinated debentures in the Consolidated Statements of Income.

[2] Included in salaries and employee benefits expense in the Consolidated Statements of Income.