CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ (75,192)	$ (53,886)	$ (130,275)	$ (178,314)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	15,028	16,612	44,167	52,015
Non-cash interest expense, net	2,306	1,860	6,625	6,394
Provision for (benefit from) deferred income taxes	71	(1,129)	192	(1,104)
Stock-based compensation expense	1,744	2,766	4,708	7,986
Impairment of long-lived assets and goodwill	8,010	32,438	42,820	72,198
Loss (gain) on sale of hospitals, net	1,206	805	2,346	8,927
Non-cash portion of loss (gain) on hospital closures	11,781	0	11,781	6,394
Changes in reserves for self-insurance claims, net of payments	(119)	4,623	(25,922)	15,003
Other non-cash expense (income), net	3,237	380	1,414	387
Changes in operating assets and liabilities, net of acquisitions and divestitures:
Patient accounts receivable	8,166	9,206	26,946	30,280
Due from and due to third-party payors, net	10,120	8,344	7,858	29,322
Inventories, prepaid expenses and other current assets	5,726	(7,353)	5,494	(7,582)
Accounts payable and accrued liabilities	44,793	12,108	36,009	2,394
Long-term assets and liabilities, net	(11,721)	1,560	(11,323)	(1,365)
Net cash provided by (used in) operating activities	25,156	28,334	22,840	42,935
Cash flows from investing activities:
Capital expenditures for property and equipment	(7,720)	(9,576)	(25,831)	(34,895)
Capital expenditures for software	(1,843)	(483)	(5,360)	(1,527)
Acquisitions, net of cash acquired	(76)	(63)	(531)	(121)
Proceeds from the sale of hospitals	40,992	0	52,733	39,170
Other investing activities, net	3,643	10	3,260	259
Net cash provided by (used in) investing activities	34,996	(10,112)	24,271	2,886
Cash flows from financing activities:
Borrowings under revolving credit facilities	138,000	121,000	465,000	368,000
Repayments under revolving credit facilities	(155,000)	(135,000)	(454,000)	(368,000)
Borrowings of long-term debt	0	90	186	157
Repayments of long-term debt	(445)	(354)	(14,408)	(31,801)
Payments of debt issuance costs	0	0	0	(2,268)
Payments on purchase contracts	(374)	0	(374)	0
Cancellation of restricted stock awards for payroll tax withholdings on vested shares	(24)	(36)	(588)	(1,979)
Cash distributions to noncontrolling investors	(143)	(678)	(1,699)	(1,481)
Net cash provided by (used in) financing activities	(17,986)	(14,978)	(5,883)	(37,372)
Net change in cash, cash equivalents and restricted cash	42,166	3,244	41,228	8,449
Cash, cash equivalents and restricted cash at beginning of period	2,265	10,822	3,203	5,617
Cash, cash equivalents and restricted cash at end of period	44,431	14,066	44,431	14,066
Supplemental cash flow information:
Interest payments, net	7,663	18,702	68,724	77,413
Income tax payments, net	$ 0	$ 46	$ 189	$ 533