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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Cash flows from operating activities    
Net income $ (22,426) $ 7,524
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 57,241 48,091
Amortization of debt issuance costs and discounts on debt 2,471 2,551
Share-based compensation 6,262 4,562
Loss on disposal of property and equipment 832 295
Loss on extinguishment of debt 9,150  
Change in fair value of derivative 3,737 (4,673)
Deferred income taxes (1,995) 107
Changes in operating assets and liabilities, net of acquisitions:    
Accounts receivable (953) 1,395
Income taxes receivable 193 2,008
Prepaid expenses (943) 2,547
Inventories and other current assets (1,203) (959)
Accounts payable and other accrued expenses 8,715 (6,165)
Accrued taxes, other than income taxes 755 41
Other (467) (133)
Net cash provided by operating activities 61,369 57,191
Cash flows from investing activities    
Purchase of property and equipment, net of change in construction payables (53,221) (27,448)
Acquisition of business, net of cash acquired (148,952)  
Proceeds from disposal of property and equipment 93  
Other investing activities (295)  
Net cash used in investing activities (202,375) (27,448)
Cash flows from financing activities    
Repayments of revolving credit facility (145,000)  
Borrowings under revolving credit facility 145,000  
Repayments of term loans (220,000) (4,000)
Proceeds from issuance of senior notes 375,000  
Repayments of notes payable (881) (217)
Principal payments under finance leases (829) (468)
Payments for debt issuance costs (6,668) (95)
Debt extinguishment and modification costs (4,763)  
Proceeds from issuance of common stock, net of issuance costs 56 25,608
Tax withholding on share-based payments (291) (820)
Net cash provided by financing activities 141,624 20,008
Cash and cash equivalents    
Change in cash and cash equivalents 618 49,751
Balance, beginning of period 116,071 90,579
Balance, end of period 116,689 140,330
Supplemental cash flow disclosures    
Cash paid for interest 28,752 29,455
Cash received for income taxes, net (193)  
Non-cash investing and financing activities    
Payables incurred for capital expenditures 9,877 3,636
Assets acquired under finance lease obligations 3,352 $ 62
Loss on extinguishment of debt 4,388  
Impairment of right-of-use asset 12,272  
Common stock issued in connection with acquisition $ 16,608