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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities      
Net loss $ (136,611) $ (39,545) $ (20,914)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 124,430 116,592 94,456
Impairment of goodwill and intangible assets 33,964 0 0
Share-based compensation 9,525 10,045 9,641
Amortization of debt issuance costs and discounts on debt 4,519 4,532 5,062
Loss on disposal of assets 803 919 3,336
Provision for credit losses 940 598 435
Loss on extinguishment and modification of debt 0 9,150 0
Change in fair value of derivative 1 4,168 (1,786)
Deferred income taxes 432 (1,505) 10,380
Changes in operating assets and liabilities, net of acquisitions:      
Accounts receivable 1,599 (2,450) 1,478
Prepaid expenses, inventories and other current assets 8,999 (1,037) (306)
Other assets 1,518 265 (368)
Accounts payable and other accrued expenses (13,740) 11,753 (5,039)
Other liabilities 356 420 1,575
Net cash provided by operating activities 36,735 113,905 97,950
Cash flows from investing activities      
Purchase of property and equipment, net of change in construction payables (36,502) (107,267) (68,175)
Acquisition of businesses, net of cash acquired 0 (148,953) 0
Purchase of intangibles and other assets 0 0 (1,134)
Proceeds from disposal of property and equipment 648 247 103
Other investing activities 0 (77) 0
Net cash used in investing activities (35,854) (256,050) (69,206)
Cash flows from financing activities      
Repayments of revolving credit facility (200,000) (145,000) 0
Borrowings under revolving credit facility 200,000 145,000 0
Repayments of term loan 0 (220,000) (8,000)
Proceeds from issuance of senior notes 0 375,000 0
Repayments of notes payable (5,017) (3,070) (506)
Principal payments under finance leases (2,588) (2,485) (1,039)
Payments for debt issuance costs 0 (6,686) (219)
Debt extinguishment and modification costs 0 (4,763) 0
Tax withholding on share-based payments (449) (301) (820)
Proceeds from exercise of common stock 3 57 26,930
Repurchases of common stock (950) 0 (19,598)
Net cash (used in) provided by financing activities (9,001) 137,752 (3,252)
Cash and cash equivalents      
Change in cash and cash equivalents (8,120) (4,393) 25,492
Balance, beginning of period 111,678 116,071 90,579
Balance, end of period 103,558 111,678 116,071
Supplemental cash flow disclosures      
Cash paid for interest 64,422 63,735 60,542
Cash received for income taxes, net (1,483) (193) 0
Non-cash investing and financing activities      
Payables incurred for capital expenditures 3,585 15,075 11,597
Assets acquired under finance lease obligations 559 7,559 2,398
Loss on extinguishment of debt 0 4,388 0
Impairment of right-of-use asset 0 12,272 0
Operating lease right-of-use assets obtained in exchange for lease obligations [1] 11,153 97,790 0
Common stock issued in connection with acquisitions $ 0 $ 16,608 $ 0
[1] For 2019, the amount includes operating lease right-of-use assets obtained in exchange for existing lease obligations due to the adoption of Accounting Standards Codification 842 — Leases.