Fair Value - Summary (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Interest Rate Swap
Fair Value
Fair value of derivative liability	$ 900
Recurring
Fair Value
Cash equivalents	75,219	$ 7,715
Contingent consideration	(1,247)	(2,300)
Total	(816,843)	(1,047,033)
Recurring \| Interest Rate Swap
Fair Value
Fair value of derivative liability	(863)
Recurring \| Blueapple
Fair Value
Redeemable non-controlling interest	(779,954)	(902,258)
Recurring \| eService
Fair Value
Redeemable non-controlling interest	(109,998)	(150,190)
Level 1 \| Recurring
Fair Value
Cash equivalents	75,219	7,715
Total	(704,735)	(894,543)
Level 1 \| Recurring \| Blueapple
Fair Value
Redeemable non-controlling interest	(779,954)	(902,258)
Level 2 \| Recurring
Fair Value
Total	(863)
Level 2 \| Recurring \| Interest Rate Swap
Fair Value
Fair value of derivative liability	(863)
Level 3 \| Recurring
Fair Value
Contingent consideration	(1,247)	(2,300)
Total	(111,245)	(152,490)
Level 3 \| Recurring \| eService
Fair Value
Redeemable non-controlling interest	$ (109,998)	$ (150,190)

The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 14
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (16)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (12)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 15
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Name:	us-gaap_RedeemableNoncontrollingInterestEquityFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant