Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Changes in Level 3 Fair Values (Details)

v3.6.0.2
Fair Value Measurements - Changes in Level 3 Fair Values (Details) - Contingent Consideration - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 841 $ 4,150
Initial contingent consideration 245 1,414
Settlements through cash payments   (1,179)
Net gain on change in fair value (545) (3,544)
Ending balance $ 541 $ 841