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Employee Benefit Plans (Schedule of Net Funded Status) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance $ 34,848 $ 31,154
Pension [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Benefit Obligation, Beginning Balance 30,340 26,540
Defined Benefit Plan, Service Cost 227 0
Defined Benefit Plan, Interest Cost 1,243 1,380
Defined Benefit Plan, Other Changes (3,564) 3,933
Defined Benefit Plan, Actuarial Gain (Loss) 1,286 (437)
Defined Benefit Plan, Benefits Paid (1,203) (1,076)
Defined Benefit Plan, Benefit Obligation, Ending Balance 28,329 30,340
Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance 31,154 29,037
Defined Benefit Plan, Actual Return on Plan Assets 4,897 3,193
Defined Benefit Plan, Contributions by Employer 0 0
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance 34,848 31,154
Defined Benefit Plan, Funded Status of Plan 6,519 814
SERP [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Benefit Obligation, Beginning Balance 4,990 4,814
Defined Benefit Plan, Service Cost 113 114
Defined Benefit Plan, Interest Cost 250 245
Defined Benefit Plan, Other Changes 0 0
Defined Benefit Plan, Actuarial Gain (Loss) (167) (100)
Defined Benefit Plan, Benefits Paid (102) (83)
Defined Benefit Plan, Benefit Obligation, Ending Balance 5,084 4,990
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 102 83
Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance 0 0
Defined Benefit Plan, Funded Status of Plan $ (5,084) $ (4,990)