CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 68,294	$ 108,621
Patient accounts receivable, net	118,382	100,868
Prepaid expenses and other current assets	25,833	23,734
Total current assets	212,509	233,223
NONCURRENT ASSETS
Property and equipment, net	193,511	194,189
Right-of-use assets	196,193	199,431
Intangible assets, net	253,964	263,294
Goodwill	1,293,613	1,272,939
Other noncurrent assets	8,772	10,795
Total noncurrent assets	1,946,053	1,940,648
Total assets	2,158,562	2,173,871
CURRENT LIABILITIES
Accounts payable	7,709	12,285
Accrued payroll expenses	83,673	75,650
Other accrued expenses	32,022	30,428
Current portion of contingent consideration	13,257	15,876
Operating lease liabilities, current	41,647	38,824
Other current liabilities	2,833	2,936
Total current liabilities	181,141	175,999
NONCURRENT LIABILITIES
Long-term debt, net	224,761	225,079
Operating lease liabilities, noncurrent	207,903	212,586
Deferred tax liability, net	37,569	38,701
Other noncurrent liabilities	2,059	2,783
Total noncurrent liabilities	472,292	479,149
Total liabilities	653,433	655,148
COMMITMENTS AND CONTINGENCIES (see Note 12)
STOCKHOLDERS' EQUITY
Preferred stock - par value $0.01 per share; 25,000 shares authorized as of March 31, 2023 and December 31, 2022; 0 shares issued and outstanding as of March 31, 2023 and December 31, 2022	0	0
Common stock - par value $0.01 per share; 800,000 shares authorized as of March 31, 2023 and December 31, 2022; 376,537 and 375,964 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively	3,767	3,761
Additional paid-in capital	2,108,184	2,084,324
Accumulated other comprehensive income	2,004	3,274
Accumulated deficit	(608,826)	(572,636)
Total stockholders' equity	1,505,129	1,518,723
Total liabilities and stockholders' equity	$ 2,158,562	$ 2,173,871