Business Segments and Geographic Information - Schedule of Operating and Reporting Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Revenues	$ 2,256,612	$ 2,350,098	$ 2,477,922
Depreciation and amortization:
Depreciation and Amortization	135,177	134,680	130,825
Operating Income:
Operating income from segments	492,389	422,777	489,032
General and Administrative Expenses	(204,306)	(193,372)	(185,926)
Operating Income	288,083	229,405	303,106
Electronic Monitoring and Supervision Services
Revenues:
Revenues	278,934	241,944
Reentry Services
Revenues:
Revenues	274,893	309,398
Operating Segments
Revenues:
Revenues	2,256,612	2,350,098	2,477,922
Capital Expenditures:
Capital Expenditures	69,394	108,800	117,244
Operating Income:
Operating income from segments	492,389	422,777	489,032
Operating Segments | U.S. Secure Services
Revenues:
Revenues	1,488,936	1,571,216	1,601,679
Capital Expenditures:
Capital Expenditures	23,780	58,410	54,642
Operating Income:
Operating income from segments	292,925	298,952	323,391
Operating Segments | Electronic Monitoring and Supervision Services
Revenues:
Revenues	278,934	241,944	256,954
Capital Expenditures:
Capital Expenditures	29,504	32,972	32,467
Operating Income:
Operating income from segments	127,070	97,421	104,538
Operating Segments | Reentry Services
Revenues:
Revenues	274,893	309,398	357,295
Capital Expenditures:
Capital Expenditures	14,675	16,276	28,488
Operating Income:
Operating income from segments	50,128	6,740	44,306
Operating Segments | International
Revenues:
Revenues	213,849	227,540	261,994
Capital Expenditures:
Capital Expenditures	1,435	1,142	1,647
Operating Income:
Operating income from segments	22,266	19,664	16,797
Segment Reconciling Items
Depreciation and amortization:
Depreciation and Amortization	135,177	134,680	130,825
Operating Income:
General and Administrative Expenses	(204,306)	(193,372)	(185,926)
Segment Reconciling Items | U.S. Secure Services
Depreciation and amortization:
Depreciation and Amortization	83,721	80,702	78,974
Segment Reconciling Items | Electronic Monitoring and Supervision Services
Depreciation and amortization:
Depreciation and Amortization	30,422	31,678	29,828
Segment Reconciling Items | Reentry Services
Depreciation and amortization:
Depreciation and Amortization	18,773	20,154	19,953
Segment Reconciling Items | International
Depreciation and amortization:
Depreciation and Amortization	$ 2,261	$ 2,146	$ 2,070