Business Combinations - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended						5 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2021	Feb. 28, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Jun. 09, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 09, 2022	Apr. 27, 2022	Mar. 26, 2022	Jan. 25, 2022	Dec. 31, 2020	Jul. 01, 2022
Business Acquisition [Line Items]
Noncontrolling interests			$ 816			$ 15,379				$ 816
Acquisition, integration, and transformation costs			$ 6,049				$ 1,227			$ 15,182	$ 36,566
VIE
Business Acquisition [Line Items]
Noncontrolling interests																	$ 14,285
Innovations Group | VIE
Business Acquisition [Line Items]
Noncontrolling interests							500				$ 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)