Business Combinations, Asset Acquisitions, and Goodwill - Summary of Purchase Price Allocation (Details) - USD ($) $ in Thousands					12 Months Ended
		Oct. 04, 2024	Mar. 31, 2024	Jan. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets:
Goodwill					$ 419,253	$ 278,831	$ 269,053
CFC
Total purchase consideration:
Cash paid				$ 90,998
Purchase price due to (from) seller				0
Contingent consideration				8,026
Common stock issued and replacement awards				21,952
Conversion of promissory note				0
Consideration transferred				120,976
Assets:
Cash and cash equivalents				16,674
Investment in marketable securities				0
Receivables				6,530
Other receivables				472
Prepaid expenses and other current assets				2,902
Property and equipment, net				0
Intangible assets				28,000
Goodwill				83,571
Income tax receivable				0
Investments in other entities - equity method				0
Restricted cash				0
Total assets acquired				138,149
Liabilities:
Accounts payable and accrued expenses				2,486
Medical liabilities				14,663
Income taxes payable				24
Deferred tax liability				0
Non-controlling interest				0
Total liabilities assumed				17,173
Total net assets acquired				$ 120,976
CHS
Total purchase consideration:
Cash paid		$ 35,322
Purchase price due to (from) seller		6,944
Contingent consideration		5,154
Common stock issued and replacement awards		118
Consideration transferred		47,538
Assets:
Cash and cash equivalents		4,556
Investment in marketable securities		0
Receivables		87,416
Other receivables		54,194
Prepaid expenses and other current assets		357
Property and equipment, net		0
Intangible assets		14,200
Goodwill		12,151
Income tax receivable		0
Investments in other entities - equity method		3,125
Restricted cash		0
Total assets acquired		175,999
Liabilities:
Accounts payable and accrued expenses		68,115
Medical liabilities		60,424
Income taxes payable		0
Deferred tax liability		0
Non-controlling interest		(78)
Total liabilities assumed		128,461
Total net assets acquired		$ 47,538
AHMS
Total purchase consideration:
Cash paid			$ 63,935
Purchase price due to (from) seller			(2,995)
Contingent consideration			0
Common stock issued and replacement awards			0
Conversion of promissory note			0
Consideration transferred			60,940
Assets:
Cash and cash equivalents			33,950
Investment in marketable securities			0
Receivables			11,007
Other receivables			0
Prepaid expenses and other current assets			36
Property and equipment, net			0
Intangible assets			23,600
Goodwill			25,731
Income tax receivable			0
Investments in other entities - equity method			0
Restricted cash			300
Total assets acquired			94,624
Liabilities:
Accounts payable and accrued expenses			13,001
Medical liabilities			14,253
Income taxes payable			0
Deferred tax liability			6,430
Non-controlling interest			0
Total liabilities assumed			33,684
Total net assets acquired			$ 60,940
Other Acquisitions
Total purchase consideration:
Cash paid	[1]				15,000
Purchase price due to (from) seller					0
Contingent consideration	[1]				6,161
Common stock issued and replacement awards	[1]				0
Conversion of promissory note	[1]				5,175
Consideration transferred	[1]				26,336
Assets:
Cash and cash equivalents	[1]				3,515
Investment in marketable securities	[1]				30
Receivables	[1]				0
Other receivables	[1]				0
Prepaid expenses and other current assets	[1]				11
Property and equipment, net	[1]				823
Intangible assets	[1]				6,338
Goodwill	[1]				16,357
Income tax receivable	[1]				1
Investments in other entities - equity method	[1]				0
Restricted cash	[1]				0
Total assets acquired	[1]				27,075
Liabilities:
Accounts payable and accrued expenses	[1]				303
Medical liabilities	[1]				0
Income taxes payable	[1]				0
Deferred tax liability	[1]				8
Non-controlling interest	[1]				428
Total liabilities assumed	[1]				739
Total net assets acquired	[1]				26,336
Total Acquisitions
Total purchase consideration:
Cash paid					205,255
Purchase price due to (from) seller					3,949
Contingent consideration					19,341
Common stock issued and replacement awards					22,070
Conversion of promissory note					5,175
Consideration transferred					255,790
Assets:
Cash and cash equivalents					58,695
Investment in marketable securities					30
Receivables					104,953
Other receivables					54,666
Prepaid expenses and other current assets					3,306
Property and equipment, net					823
Intangible assets					72,138
Goodwill					137,810
Income tax receivable					1
Investments in other entities - equity method					3,125
Restricted cash					300
Total assets acquired					435,847
Liabilities:
Accounts payable and accrued expenses					83,905
Medical liabilities					89,340
Income taxes payable					24
Deferred tax liability					6,438
Non-controlling interest					350
Total liabilities assumed					180,057
Total net assets acquired					$ 255,790

[1] *Others consist of estimated fair values of the assets acquired, net of cash acquired, related to ADSC, PCCCV, Airline Complete, and DWGAS.