Divestitures - Assets and Liabilities Classified as Held For Sale (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - 2022 Clinics Held for Sale - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	$ 594	$ 486
Prepaid expenses	20	23
Property and equipment, net	403	1,113
Operating lease right-of-use assets	1,251	1,929
Goodwill, net	3,192	3,192
Other non-current assets	9	12
Total assets held for sale	5,469	6,755
Accounts payable	8	22
Accrued expenses and other liabilities	80	201
Current portion of operating lease liabilities	376	685
Operating lease liabilities	1,039	1,706
Total liabilities held for sale	$ 1,503	$ 2,614