Employee Benefit Plans (Reconciliation of Benefit Obligations, Plan Assets and Funded Status) (Details) - Pension plans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Change in benefit obligation:
Benefit obligation at beginning of year	$ 48,200	$ 45,561
Service cost — benefits earned during the year	4	4	$ 5
Interest cost on projected benefit obligations	1,769	1,888	1,842
Actuarial (gain)/loss	(906)	4,989
Benefits paid	(3,596)	(4,242)
Benefit obligation and funded status at end of year	45,471	48,200	45,561
Change in plan assets:
Fair value of plan assets at beginning of plan year	48,656	49,873
Actual return on plan assets	(1,457)	3,025
Benefits paid	(3,596)	(4,242)
Fair value of plan assets at measurement date	43,603	48,656	$ 49,873
Benefit plan assets in excess of benefit obligation	(1,868)	456
Pension and Other Postretirement Defined Benefit Plans, Liabilities	$ 1,868
Defined Benefit Plan, Assets for Plan Benefits		$ 456