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Restructuring and Other Charges - Rollforward of Accrued Liability Balance Related to Restructuring (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Restructuring Charges Accrual    
Beginning balance $ 712 $ 855
Additions for costs expensed 457 8,065
Less non-cash expense (340) (330)
Reductions for payments (606) (5,501)
Ending balance 223 3,089
Spin-off    
Restructuring Charges Accrual    
Beginning balance 712 855
Additions for costs expensed 457 1,064
Less non-cash expense (340) (330)
Reductions for payments (606) (1,005)
Ending balance 223 584
Cost Reduction Plan    
Restructuring Charges Accrual    
Beginning balance 0 0
Additions for costs expensed 0 7,001
Less non-cash expense 0 0
Reductions for payments 0 (4,496)
Ending balance $ 0 $ 2,505