Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 29,525	$ 53,673	$ 57,519	$ 91,852
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(1,011)	(9,826)	(2,390)	(9,401)
Change in marketable securities, net of tax provision (benefit) of $147, $(94), $253 and $(202), respectively	553	(353)	953	(758)
Pension liability adjustment, net of tax provision of $0, $23, $0 and $45, respectively		85		170
Change in fair value of derivative instrument classified as cash flow hedge, net of tax provision (benefit) of $220, $508, $(53) and $1,163, respectively	827	1,910	(200)	4,374
Total other comprehensive income (loss), net of tax	369	(8,184)	(1,637)	(5,615)
Total comprehensive income	29,894	45,489	55,882	86,237
Comprehensive loss attributable to noncontrolling interests	30	31	29	86
Comprehensive income attributable to The GEO Group, Inc.	$ 29,924	$ 45,520	$ 55,911	$ 86,323