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Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance, beginning of year $ 3,541 $ 4,505 $ 3,978
Decreases related to prior year tax positions (33) (196) (125)
Settlements with taxing authorities (3,285) 0 0
Increases related to current year tax positions 97 130 652
Expiration of the statute of limitations 0 (898) 0
Balance, end of year $ 320 $ 3,541 $ 4,505