CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ (16,477)	$ (25,941)	$ (55,083)	$ (124,428)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	14,500	17,142	29,139	35,403
Non-cash interest expense, net	2,380	2,723	4,319	4,534
Provision for (benefit from) deferred income taxes	31	(511)	121	25
Stock-based compensation expense	1,194	2,756	2,964	5,220
Impairment of long-lived assets and goodwill	25,950	0	34,810	39,760
Loss (gain) on sale of hospitals, net	1,140	307	1,140	8,122
Non-cash portion of loss (gain) on hospital closures	0	1,089	(567)	6,394
Changes in reserves for self-insurance claims, net of payments	(29,963)	4,355	(25,803)	10,380
Other non-cash expense (income), net	116	56	(1,256)	7
Changes in operating assets and liabilities, net of acquisitions and divestitures:
Patient accounts receivable	22,766	19,645	18,780	21,074
Due from and due to third-party payors, net	2,159	19,761	(2,262)	20,978
Inventories, prepaid expenses and other current assets	(5,143)	(1,519)	(232)	(229)
Accounts payable and accrued liabilities	(28,930)	(19,301)	(8,784)	(9,714)
Long-term assets and liabilities, net	(117)	(3,368)	398	(2,925)
Net cash provided by (used in) operating activities	(10,394)	17,194	(2,316)	14,601
Cash flows from investing activities:
Capital expenditures for property and equipment	(9,819)	(10,791)	(18,111)	(25,319)
Capital expenditures for software	(2,326)	(531)	(3,517)	(1,044)
Acquisitions, net of cash acquired	0	(26)	(455)	(58)
Proceeds from the sale of hospitals	11,741	507	11,741	39,170
Other investing activities, net	(2,112)	52	(383)	249
Net cash provided by (used in) investing activities	(2,516)	(10,789)	(10,725)	12,998
Cash flows from financing activities:
Borrowings under revolving credit facilities	175,000	115,000	327,000	247,000
Repayments under revolving credit facilities	(149,000)	(119,000)	(299,000)	(233,000)
Borrowings of long-term debt	25	55	186	67
Repayments of long-term debt	(12,130)	(30,820)	(13,963)	(31,447)
Payments of debt issuance costs	0	0	0	(2,268)
Cancellation of restricted stock awards for payroll tax withholdings on vested shares	(103)	(1,309)	(564)	(1,943)
Cash distributions to noncontrolling investors	(333)	0	(1,556)	(803)
Net cash provided by (used in) financing activities	13,459	(36,074)	12,103	(22,394)
Net change in cash, cash equivalents and restricted cash	549	(29,669)	(938)	5,205
Cash, cash equivalents and restricted cash at beginning of period	1,716	40,491	3,203	5,617
Cash, cash equivalents and restricted cash at end of period	2,265	10,822	2,265	10,822
Supplemental cash flow information:
Interest payments, net	42,846	41,224	61,061	58,711
Income tax payments, net	$ 189	$ 341	$ 189	$ 487