Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Changes in the Company's goodwill balances
Beginning balance	$ 755,250	$ 776,356
Impairment charges		(21,146)
Foreign currency translation	(25)	40
Ending balance	755,225	755,250
U.S. Secure Services
Changes in the Company's goodwill balances
Beginning balance	316,366	316,366
Ending balance	316,366	316,366
Electronic Monitoring and Supervision Services
Changes in the Company's goodwill balances
Beginning balance	289,570	289,570
Ending balance	289,570	289,570
Reentry Services
Changes in the Company's goodwill balances
Beginning balance	148,873	170,019
Impairment charges		(21,146)
Ending balance	148,873	148,873
International Services
Changes in the Company's goodwill balances
Beginning balance	441	401
Foreign currency translation	(25)	40
Ending balance	$ 416	$ 441

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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