Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 27,994	$ 38,179
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1,379)	425
Change in marketable securities, net of tax provision (benefit) of $106 and ($107), respectively	400	(405)
Pension liability adjustment, net of tax provision of $0 and $23, respectively		85
Change in fair value of derivative instrument classified as cash flow hedge, net of tax provision (benefit) of $(273) and $655, respectively	(1,027)	2,464
Total other comprehensive income (loss), net of tax	(2,006)	2,569
Total comprehensive income	25,988	40,748
Comprehensive (income) loss attributable to noncontrolling interests	(1)	55
Comprehensive income attributable to The GEO Group, Inc.	$ 25,987	$ 40,803