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Accounting Policies and Basis of Presentation - Debt (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 15 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Feb. 12, 2014
Wells Fargo Bank [Member]
Jun. 30, 2014
Wells Fargo Bank [Member]
Line of Credit Facility [Line Items]        
Maximum governance expenses included in EBITA     $ 5,500  
Settlement expense       5,465
Revolving credit facility 19,009 18,000    
Credit facility, remaining borrowing capacity $ 22,004