Quarterly report pursuant to Section 13 or 15(d)

Supplemental Balance Sheet and Cash Flow Information - Changes in Operating Assets and Liabilities (Details)

v3.22.1
Supplemental Balance Sheet and Cash Flow Information - Changes in Operating Assets and Liabilities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Accounts receivable $ (3,335) $ (892)
Center operating supplies and inventories (947) (553)
Prepaid expenses and other current assets (6,460) (4,238)
Income tax receivable 1,068 2,607
Other assets 271 1,515
Accounts payable 4,205 7,621
Accrued expenses and other current liabilities (5,481) 17,409
Deferred revenue 6,735 (6,666)
Other liabilities (1,694) 160
Changes in operating assets and liabilities $ (5,638) $ 16,963