Employee Benefit Plans (Components of the Net Periodic Pension Plan Cost) (SERP) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 76	$ 84	$ 152	$ 168
Interest cost	435	387	870	774
Amortization of prior service cost	3	3	6	6
Net pension expense/(credit) included in employee benefits	18	(86)	71	(174)
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	24	29	49	58
Interest cost	63	58	125	116
Amortization of recognized (gain)/ loss	20	12	39	24
Amortization of prior service cost	5	5	10	10
Net pension expense/(credit) included in employee benefits	$ 112	$ 104	$ 223	$ 208