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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities    
Net income $ 36,066 $ 10,620
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 26,276 27,186
Change in non-cash lease expense 181 439
Share-based compensation 3,141 2,669
Amortization of debt issuance costs and discounts on debt 1,117 1,155
(Gain) loss on disposal of assets (41) 209
Provision (benefit) for credit losses 188 (27)
Deferred income taxes (20,559) (297)
Loss on debt extinguishment and modification 181 0
Changes in operating assets and liabilities:    
Accounts receivable (2,003) (1,352)
Prepaid expenses, inventories and other current assets (10,177) (6,012)
Other assets (167) 9,472
Accounts payable and other accrued expenses 9,492 17,791
Other liabilities (177) (9,659)
Net cash provided by operating activities 43,518 52,194
Cash flows from investing activities    
Purchase of property and equipment, net of change in construction payables (10,813) (4,873)
Proceeds from disposal of property and equipment 90 223
Net cash used in investing activities (10,723) (4,650)
Cash flows from financing activities    
Repayments of term loan (25,000) 0
Repayments of notes payable (433) (1,483)
Principal payments under finance leases (117) (839)
Payment for debt extinguishment and modification costs (12) 0
Tax withholding on share-based payments (10,298) (3,439)
Proceeds from issuance of common stock, net of costs 4 3
Proceeds from exercise of stock options 0 98
Repurchases of common stock (15,196) 0
Net cash used in financing activities (51,052) (5,660)
Cash and cash equivalents    
Change in cash and cash equivalents (18,257) 41,884
Balance, beginning of period 220,540 103,558
Balance, end of period 202,283 145,442
Supplemental cash flow disclosures    
Cash paid for interest 6,435 7,630
Non-cash investing and financing activities    
Payables incurred for capital expenditures 2,790 561
Loss on debt extinguishment and modification 181 0
Operating lease right-of-use assets obtained in exchange for lease obligations $ 4,352 $ 28,681