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Income Taxes From Continuing Operations (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 the year $ 4,639 $ 2,781 $ 2,383
Additions based on tax positions related to the current year 1,837 1,836 824
Additions for tax positions related to prior years 527 806 18
Reductions for tax positions related to prior years (118) 0 (257)
Reductions from lapse of applicable statute of limitations 0 (784) (49)
Settlements 0 0 (138)
Balance, end of year 6,885 4,639 2,781
Income tax penalties and interest accrued $ 300 $ 100 $ 0