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Summary of Business Organization, Operations and Significant Accounting Policies - Revenue Recognition and Facility Construction and Design (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | $ 2,376,727 | $ 2,256,612 | $ 2,350,098
U.S. Secure Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 1,437,831 | 1,488,936 | 1,571,216
Electronic Monitoring and Supervision Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 496,268 | 278,934 | 241,944
Reentry Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 255,428 | 274,893 | 309,398
International |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 187,200 | 213,849 | 227,540
Owned and Leased: Secure Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 1,109,923 | 1,127,688 | 1,198,881
Owned and Leased: Secure Services | U.S. Secure Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 1,109,923 | 1,127,688 | 1,198,881
Owned and Leased: Community-based |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 155,932 | 150,888 | 145,491
Owned and Leased: Community-based | Reentry Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 155,932 | 150,888 | 145,491
Owned and Leased: Youth Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues |  | 33,920 | 75,792
Owned and Leased: Youth Services | Reentry Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues |  | 33,920 | 75,792
Managed Only |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 522,021 | 579,074 | 605,388
Managed Only | U.S. Secure Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 327,908 | 361,248 | 372,335
Managed Only | Reentry Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 6,913 | 3,977 | 5,513
Managed Only | International |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 187,200 | 213,849 | 227,540
Electronic Monitoring Services and Other Reentry |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 588,851 | 365,042 | 324,546
Electronic Monitoring Services and Other Reentry | Electronic Monitoring and Supervision Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | 496,268 | 278,934 | 241,944
Electronic Monitoring Services and Other Reentry | Reentry Services |  |  |
Disaggregation Of Revenue [Line Items] |  |  |
Total Revenues | $ 92,583 | $ 86,108 | $ 82,602

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