Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash and Cash Equivalents [Line Items]
Operating leases	$ 55,141
Finance leases	131
Cash paid for amounts included in the measurement of lease liabilities	55,272
Issuances of notes receivable	(58)	$ (77)	$ (61)
Cash received on notes receivable	469	351	2,052
Change in notes receivable	411	274	1,991
Non-cash Investing Activities:
Property, equipment and intangibles purchased in accounts payable	10,439	6,961	15,099
Property, equipment and intangibles purchased for debt	40,323	32,262	791
Customer accounts receivable converted to notes receivable	565	110	393
Cash Financing Activities:
Proceeds from issuance of new debt, net of discount	124,375	38,823	1,240,000
Borrowings on long-term debt	3,249	104,419	5,334
Payments of long-term debt	(113,859)	(72,422)	(1,618,641)
Payments of debt issuance and extinguishment costs, including underwriting fees	(664)	(352)	(16,358)
Change in long-term debt	13,101	70,468
Change in long-term debt			(389,665)
Cash paid for amounts included in the measurement of finance lease liabilities	917
Non-cash Financing Activities:
Prepaid insurance funded through short-term debt borrowings	4,948	2,757	2,662
Prepaid ERP costs funded through short-term debt borrowings	3,919	0	0
Shares surrendered for tax obligations for employee share-based transactions in accrued liabilities	469	7	569
Accounts payable converted to installment notes	757	12,886	0
Other Supplemental Cash Flow Information:
Cash taxes paid, net of refunds	26,656	46,295	22,532
Cash interest paid	71,181	68,892	66,060
Employees and Directors
Non-cash Investing Activities:
Notes receivable and accrued interest from employees and directors settled with return of JWH stock	$ 0	$ 0	$ 183