Schedule of Debt Outstanding (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 18, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt	$ 1,986,865		$ 1,814,795
Unamortized debt issuance costs	(14,993)		(13,119)
Unamortized original issue discount	(12,500)
Current portion of long-term debt	(31,349)		(14,121)
Long-term debt, net	1,928,023		1,787,555
Term Loan A Due in April 2023
Debt Instrument [Line Items]
Total debt	190,000		197,500
Unamortized debt issuance costs	(100)		(100)
Term Loan B Due in December 2024
Debt Instrument [Line Items]
Total debt	250,000	$ 250,000
Unamortized debt issuance costs	(4,600)
Unamortized original issue discount		$ (12,500)
Senior Notes 4.625% Due 2023
Debt Instrument [Line Items]
Total debt	350,000		350,000
Unamortized debt issuance costs	(2,100)		(2,700)
Senior Notes 4.125%
Debt Instrument [Line Items]
Total debt			325,000
Unamortized debt issuance costs			(1,000)
Senior Notes 5.0% Due 2022
Debt Instrument [Line Items]
Total debt	250,000		250,000
Unamortized debt issuance costs	(1,300)		(1,800)
Senior Notes 4.75% Due 2027
Debt Instrument [Line Items]
Total debt	250,000		250,000
Unamortized debt issuance costs	(3,100)		(3,500)
Capital Commerce Center Non-Recourse Mortgage Note 4.5% Due 2033
Debt Instrument [Line Items]
Total debt	22,209		23,429
Unamortized debt issuance costs	(300)		(300)
Lansing Correctional Center Non Recourse Mortgage Note 4.43% Due 2040
Debt Instrument [Line Items]
Total debt	159,522		62,331
Unamortized debt issuance costs	(3,300)		(3,400)
SSA Baltimore Non Recourse Mortgage Note 4.5% Due 2034
Debt Instrument [Line Items]
Total debt	150,134		155,535
Unamortized debt issuance costs	(200)		(300)
Revolving Credit Facility | Revolving Credit Facility Due in April 2023
Debt Instrument [Line Items]
Total debt	$ 365,000		$ 201,000