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International Retirement Plan (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Non-Contributory Defined Benefit Pension Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Net present value of annuity $ 3,144 $ 2,819
International Retirement Plan [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Unrecognized net gain (loss) of defined benefit plan before tax (246) (1,030)
Tax benefit on defined benefit loss 78 (316)
Adjustment to AOCI net gain (loss) of defined benefit plan after tax $ 168 $ 714