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Amount, after accumulated amortization, of debt discount.

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Schedule of Debt Outstanding (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Dec. 18, 2019
Debt Instrument [Line Items]
Total debt	$ 1,545,078	$ 1,809,517
Unamortized debt issuance costs	(19,723)	(12,766)
Unamortized original issue discount	(13,063)	(10,000)
Current portion of long-term debt	(31,999)	(39,087)
Long-term debt, net	1,480,293	1,747,664
Term Loan A Due in April 2023
Debt Instrument [Line Items]
Total debt	175,000	180,000
Unamortized debt issuance costs	(0)	(100)
Term Loan B Due in December 2024
Debt Instrument [Line Items]
Total debt	228,125	237,500	$ 250,000
Unamortized debt issuance costs	(3,600)	(4,100)
Unamortized original issue discount			$ (12,500)
Senior Notes 4.625% Due 2023
Debt Instrument [Line Items]
Total debt	174,012	350,000
Unamortized debt issuance costs	(600)	(1,500)
Senior Notes 5.0% Redeemed in April 2021
Debt Instrument [Line Items]
Total debt		250,000
Unamortized debt issuance costs		(800)
Senior Notes 4.75% Due 2027
Debt Instrument [Line Items]
Total debt	250,000	250,000
Unamortized debt issuance costs	(2,500)	(2,700)
8.25% Senior Notes Due 2026
Debt Instrument [Line Items]
Total debt	450,000
Unamortized debt issuance costs	(9,900)
4.5% Capital Commerce Center Non-Recourse Mortgage Note
Debt Instrument [Line Items]
Total debt		20,934
Unamortized debt issuance costs		(300)
Lansing Correctional Center Non Recourse Mortgage Note 4.43% Due 2040
Debt Instrument [Line Items]
Total debt	155,941	157,607
Unamortized debt issuance costs	(3,100)	(3,100)
4.5% SSA-Baltimore Non-Recourse Mortgage Note
Debt Instrument [Line Items]
Total debt		144,476
Unamortized debt issuance costs		(200)
Revolving Credit Facility \| Revolving Credit Facility Due in April 2023
Debt Instrument [Line Items]
Total debt	$ 112,000	$ 219,000