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Business Segments and Geographic Information - Additional Information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) Segment Facility | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |  |
Number of reportable business segments | Segment | 4 |  |
Number of managed correctional facilities in Australia | Facility | 3 |  |
Equity in earnings (losses) of affiliates, net of income tax provision | $ 4,534 | $ 4,771 | $ 7,141
ISAP Contract | Revenue Benchmark | Product Concentration Risk |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Percentage of revenue | 14.00% | 17.00% | 8.00%
SACS |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity in earnings (losses) of affiliates, net of income tax provision | $ 1,700 | $ 2,500 | $ 3,600
Investment in joint venture | 9,100 | 10,200 |
Dividend distributions received | 2,200 | 1,900 | 3,100
GEO Amey |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Equity in earnings (losses) of affiliates, net of income tax provision | 2,900 | 2,200 | 3,600
Investment in joint venture | 11,200 |  |
Dividend distributions received | 800 | 2,600 | $ 5,200
Advances to affiliate | $ 11,200 | $ 8,700 |

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