Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Sep. 30, 2021 USD ($)	Mar. 31, 2023 USD ($) segment unit	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) segment	Apr. 30, 2020
Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | segment		3		1
Amount deposit accounts exceeded FDIC insured limit		$ 306,500,000		$ 324,700,000
Marketable securities – certificates of deposit		1,000,000
Payments to acquire common stock and warrants	$ 3,000,000
Equity securities		$ 3,114,000		5,567,000
Promissory notes expected to be collected within period		12 months
Risk pool surplus or deficits, settlement period after risk pool performance year		18 months
Impairment of finite-lived intangible assets		$ 0	$ 0
Impairment of long-lived assets		$ 0	0
Number of main reporting units | unit		4
Impairment of goodwill		$ 0	0
Impairment of indefinite-lived intangible assets		0	0
Fiduciary accounts payable		8,976,000		8,065,000
Revenue		337,244,000	263,258,000
Contract liabilities		1,695,000		531,000
Accounts Payable and Accrued Expenses
Summary Of Significant Accounting Policies [Line Items]
Accrued contract liability recognized		500,000
Contingent equity securities
Summary Of Significant Accounting Policies [Line Items]
Contingent equity securities				1,900,000
Collar
Summary Of Significant Accounting Policies [Line Items]
Derivative asset, fair value		$ 0
Derivative, ceiling interest rate		5.00%
Derivative, floor interest rate		2.34%
Cash flow hedges: | Interest rate swap | Other Noncurrent Assets | Derivatives designated as hedging instruments
Summary Of Significant Accounting Policies [Line Items]
Derivative asset, fair value		$ 2,500,000		3,200,000
Certificates of Deposit
Summary Of Significant Accounting Policies [Line Items]
Short-term marketable securities, maturity period		90 days
Marketable securities – certificates of deposit		$ 1,000,000		$ 0
Pacific Ambulatory Surgery Center, LLC
Summary Of Significant Accounting Policies [Line Items]
Impairment of investments		$ 0	0
Universal Care Acquisition Partners, LLC | Universal Care Inc
Summary Of Significant Accounting Policies [Line Items]
Ownership interest disposed					48.90%
PMPM Managed Care Contract
Summary Of Significant Accounting Policies [Line Items]
Contract term		one year
Management Fee Income Contract
Summary Of Significant Accounting Policies [Line Items]
Revenue		$ 9,896,000	$ 10,473,000
Clinigence Holdings, Inc.
Summary Of Significant Accounting Policies [Line Items]
Payments to acquire common stock and warrants	$ 3,000,000
Minimum | Management Fee Income Contract
Summary Of Significant Accounting Policies [Line Items]
Contract term		one
Maximum | Management Fee Income Contract
Summary Of Significant Accounting Policies [Line Items]
Contract term		ten years