DEBT - Schedule of Debt Outstanding (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 04, 2024	Dec. 31, 2023	Dec. 31, 2022	Oct. 31, 2017
Debt Instrument [Line Items]
Total debt	$ 1,032,837		$ 1,106,691
Unamortized debt issuance costs	(13,857)		(12,052)
Net unamortized original issue premium	0		434
Current portion of long-term debt	(11,832)		(11,597)
Long-term debt, net	1,007,148		1,083,476
Revolving Credit Facility Due In October 2028
Debt Instrument [Line Items]
Total debt	25,000		0
Term Loan Due In October 2028
Debt Instrument [Line Items]
Total debt	121,875		125,000
Unamortized debt issuance costs	(1,400)		(1,500)
Senior Notes 4.75% Due 2027
Debt Instrument [Line Items]
Total debt	243,068		243,068		$ 243,100
Unamortized debt issuance costs	(1,300)		(1,500)
Senior Notes 8.25% Due 2026
Debt Instrument [Line Items]
Total debt	0	$ 593,100	593,113	$ 593,100
Unamortized debt issuance costs			(5,800)
Senior Notes 8.25% Due 2029
Debt Instrument [Line Items]
Total debt	500,000		0
Unamortized debt issuance costs	(8,600)
Lansing Correctional Facility Non-Recourse Mortgage Note 4.43% Due 2040
Debt Instrument [Line Items]
Total debt	142,894		145,510
Unamortized debt issuance costs	$ (2,600)		$ (2,600)