Employee Benefit Plans (Reconciliation of Benefit Obligations, Plan Assets and Funded Status) (Details) (Pension plans, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension plans
Change in benefit obligation:
Benefit obligation at beginning of plan year	$ 50,700	$ 49,009
Service cost — benefits earned during the year	5	6	464
Interest cost on projected benefit obligations	1,842	2,205	2,415
Actuarial (gain)/loss	(3,208)	3,565
Benefits paid	(3,778)	(4,085)
Projected benefit obligation at measurement date	45,561	50,700	49,009
Change in plan assets:
Fair value of plan assets at beginning of plan year	46,547	43,852
Actual return on plan assets	7,104	5,683
Company contributions	0	1,097
Benefits paid	(3,778)	(4,085)
Fair value of plan assets at measurement date	49,873	46,547	43,852
Benefit obligation in excess of plan assets	4,312	(4,153)
Defined Benefit Plan, Assets for Plan Benefits	4,312
Prepaid pension asset (accrued pension liability)		$ (4,153)