Employee Benefit Plans (Schedule of Net Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	$ 38,967
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	39,200	$ 38,967
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	39,348	28,329
Defined Benefit Plan, Service Cost	316	258
Defined Benefit Plan, Interest Cost	1,579	1,478
Defined Benefit Plan, Other Changes	(1,207)	7,216
Defined Benefit Plan, Actuarial Gain (Loss)	841	3,401
Defined Benefit Plan, Benefits Paid	(1,461)	(1,334)
Defined Benefit Plan, Benefit Obligation, Ending Balance	39,416	39,348
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	38,967	34,848
Defined Benefit Plan, Actual Return on Plan Assets	(306)	2,453
Defined Benefit Plan, Contributions by Employer	2,000	3,000
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	39,200	38,967
Defined Benefit Plan, Unfunded Status of Plan	(216)	(381)
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation, Beginning Balance	5,827	5,084
Defined Benefit Plan, Service Cost	121	115
Defined Benefit Plan, Interest Cost	239	220
Defined Benefit Plan, Other Changes	0	0
Defined Benefit Plan, Actuarial Gain (Loss)	190	499
Defined Benefit Plan, Benefits Paid	(88)	(91)
Defined Benefit Plan, Benefit Obligation, Ending Balance	6,289	5,827
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance	0	0
Defined Benefit Plan, Actual Return on Plan Assets	0	0
Defined Benefit Plan, Contributions by Employer	88	91
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance	0	0
Defined Benefit Plan, Unfunded Status of Plan	$ (6,289)	$ (5,827)