Employee Benefit Plans (Components of the Net Periodic Pension Plan Cost) (SERP) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Service cost			$ 168	$ 129
Interest cost			774	737
Amortization of prior service cost			6	6
Net pension credit included in employee benefits			(174)	(289)
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 29	$ 24	58	48
Interest cost	58	57	116	114
Amortization of recognized (gain)/ loss	12	(5)	24	(9)
Amortization of prior service cost	5	5	10	10
Net pension credit included in employee benefits	$ 104	$ 81	$ 208	$ 163