Business Combinations - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended					5 Months Ended	6 Months Ended		12 Months Ended	13 Months Ended	14 Months Ended	15 Months Ended	17 Months Ended
	Mar. 31, 2021	Feb. 28, 2021	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Jun. 09, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022
Business Acquisition [Line Items]
Noncontrolling interests			$ 14,923		$ 15,379				$ 14,923			$ 14,923	$ 14,923	$ 14,923	$ 14,923
Acquisition, integration, and transformation costs			6,749				$ 32,653		$ 9,133	$ 35,339
Innovations Group | VIE
Business Acquisition [Line Items]
Noncontrolling interests						$ 500
Paycheck Protection Program Loans, CARES Act | Medium-term Notes | Paycheck Protection Program, CARES Act | TTC
Business Acquisition [Line Items]
Debt forgiven	$ 300	$ 900									$ 700
TTC
Business Acquisition [Line Items]
Total assets acquired								$ (1,200)							318
Accrual for amounts owed to related party							2,800								2,807
Accounts receivable, net					(500)										(462)
Increase (decrease) in net assets acquired and goodwill															(1,177)
Deferred tax liability															(28)
Liability related to redeemable preferred shares															$ (1,284)
Glocal
Business Acquisition [Line Items]
Total assets acquired														16,257
Accounts receivable, net														(5,111)
Increase (decrease) in net assets acquired and goodwill							(5,800)							(5,847)
Deferred tax liability				$ (2,600)	2,600		$ 9,900							8,649
Allowance for doubtful accounts, receivables					5,100	2,000
Liability related to redeemable preferred shares					(2,300)	11,900								(2,275)
Accrual for amounts owed to providers				200	1,200									1,421
Property and equipment				(15,600)										(13,959)
Identifiable intangible assets				$ 7,300										$ 7,250
Innovations Group
Business Acquisition [Line Items]
Total assets acquired													(3,603)
Increase (decrease) in net assets acquired and goodwill													294
Deferred tax liability					200								180
Liability related to redeemable preferred shares					(4,100)								(4,069)
Accrual for amounts owed to providers					(8)								(8)
Property and equipment					(4,300)								(4,295)
Identifiable intangible assets					800								790
Other assets					(22)								$ (22)
Cloudbreak
Business Acquisition [Line Items]
Total assets acquired												(3,236)
Accounts receivable, net					700							741
Increase (decrease) in net assets acquired and goodwill						$ 14						14
Deferred tax liability			$ (100)		(3,900)							(3,994)
Accrual for amounts owed to providers					400							362
Property and equipment					200							183
Other assets					$ (400)							$ (411)