Discontinued Operations - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Oct. 31, 2020	Aug. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Description of divest operations			During 2020, the Company implemented a plan to divest its California operations, which included the entirety of its Medicaid line of business, via three separate transactions with different parties.
Indemnification asset released				$ 1,700	$ 2,800
Unrecognized income tax benefits			$ 5,212	5,919	8,914	$ 10,839
Unrecognized tax benefits, income tax penalties and interest accrued			1,600	2,100	10,000
Unrecognized tax benefit reversed				5,600
Unrecognized tax benefit accrued penalty				1,100	600
Unrecognized tax benefit accrued interest			100	1,100	600
unrecognized tax benefit from discontinued operations				1,800
Discontinued Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued			$ 1,600	$ 2,100
Fresno, California Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gross sale price from disposal of operations	$ 26,000
Fresno, California Operations | Discontinued Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gain recognized from disposal of operations	$ 19,100
Gain recognized from disposal of operations [Extensible Enumeration]	Net income (loss)
California Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gross sale price from disposal of operations					1,000
Severance Costs					$ 3,700
Southern California Operations
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Gross sale price from disposal of operations		$ 2,500
Gain recognized from disposal of operations		$ 1,300