Business Combinations and Goodwill - Summary of Purchase Price Allocation (Details) - USD ($) $ in Thousands				9 Months Ended
		Mar. 31, 2024	Jan. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Assets:
Goodwill				$ 409,711	$ 278,831
CFC
Total purchase consideration:
Cash paid			$ 90,998
Contingent consideration			8,026
Common stock issued			21,952
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			0
Amounts due from affiliates			2,902
Land, property and equipment			0
Intangible assets			28,000
Goodwill			83,602
Income tax receivable			0
Restricted cash			0
Total assets acquired			138,180
Liabilities:
Accounts payable and accrued expenses			2,487
Medical liabilities			14,693
Amounts due to affiliates			0
Income taxes payable			24
Deferred tax liability			0
Non-controlling interest			0
Total liabilities assumed			17,204
Total net assets acquired			$ 120,976
AHMS
Total purchase consideration:
Cash paid		$ 63,935
Contingent consideration		0
Common stock issued		0
Consideration transferred		63,935
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
Amounts due from affiliates		0
Land, property and equipment		0
Intangible assets		23,600
Goodwill		31,048
Income tax receivable		0
Restricted cash		300
Total assets acquired		99,941
Liabilities:
Accounts payable and accrued expenses		7,111
Medical liabilities		14,942
Amounts due to affiliates		5,890
Income taxes payable		1,689
Deferred tax liability		6,374
Non-controlling interest		0
Total liabilities assumed		36,006
Total net assets acquired		$ 63,935
Other Acquisitions
Total purchase consideration:
Cash paid	[1]			15,000
Contingent consideration	[1]			6,161
Common stock issued	[1]			0
Consideration transferred	[1]			21,161
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
Amounts due from affiliates	[1]			0
Land, property and equipment	[1]			823
Intangible assets	[1]			3,900
Goodwill	[1]			13,621
Income tax receivable	[1]			1
Restricted cash	[1]			0
Total assets acquired	[1]			21,901
Liabilities:
Accounts payable and accrued expenses	[1]			250
Medical liabilities	[1]			0
Amounts due to affiliates	[1]			54
Income taxes payable	[1]			0
Deferred tax liability	[1]			8
Non-controlling interest	[1]			428
Total liabilities assumed	[1]			740
Total net assets acquired	[1]			21,161
Total Acquisitions
Total purchase consideration:
Cash paid				169,933
Contingent consideration				14,187
Common stock issued				21,952
Consideration transferred				206,072
Assets:
Cash and cash equivalents				54,139
Investment in marketable securities				30
Receivables				17,537
Other receivables				472
Prepaid expenses and other current assets				47
Amounts due from affiliates				2,902
Land, property and equipment				823
Intangible assets				55,500
Goodwill				128,271
Income tax receivable				1
Restricted cash				300
Total assets acquired				260,022
Liabilities:
Accounts payable and accrued expenses				9,848
Medical liabilities				29,635
Amounts due to affiliates				5,944
Income taxes payable				1,713
Deferred tax liability				6,382
Non-controlling interest				428
Total liabilities assumed				53,950
Total net assets acquired				$ 206,072

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