Fair Value - Summary (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value
Cash equivalents	$ 15,644	$ 7,715
Contingent consideration	(1,568)	(2,300)
Total	(605,129)	(1,047,033)
Blueapple
Fair Value
Redeemable non-controlling interest	(522,702)	(902,258)
eService
Fair Value
Redeemable non-controlling interest	(96,503)	(150,190)
Level 1
Fair Value
Cash equivalents	15,644	7,715
Total	(507,058)	(894,543)
Level 1 | Blueapple
Fair Value
Redeemable non-controlling interest	(522,702)	(902,258)
Level 3
Fair Value
Contingent consideration	(1,568)	(2,300)
Total	(98,071)	(152,490)
Level 3 | eService
Fair Value
Redeemable non-controlling interest	$ (96,503)	$ (150,190)