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Revenue Recognition (Details) | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) bed | Mar. 31, 2017 USD ($) contract
Disaggregation of Revenue [Line Items] |  |
Domestic performance based revenues percent of consolidated domestic revenues (less than 1%) | 1.00% |
Performance obligation, expected timing of satisfaction, period | 1 year |
Performance obligation, payment required, period | 30 days |
Total Revenues | $ 564,917,000 | $ 550,614,000
Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 263,558,000 | 265,412,000
Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 41,335,000 | 16,942,000
Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 22,385,000 | 21,467,000
Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 162,504,000 | 124,211,000
Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 0 | 57,225,000
Interest income, effective interest rate | 8.97% |
Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 75,135,000 | 65,357,000
U.S. Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 358,681,000 | 347,931,000
U.S. Corrections & Detention | Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 263,558,000 | 265,412,000
U.S. Corrections & Detention | Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
U.S. Corrections & Detention | Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
U.S. Corrections & Detention | Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 95,123,000 | 82,519,000
U.S. Corrections & Detention | Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
U.S. Corrections & Detention | Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
GEO Care |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 140,078,000 | 103,766,000
GEO Care | Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
GEO Care | Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 41,335,000 | 16,942,000
GEO Care | Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 22,385,000 | 21,467,000
GEO Care | Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 1,223,000 | 0
GEO Care | Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
GEO Care | Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 75,135,000 | 65,357,000
International Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 66,158,000 | 41,692,000
International Services | Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
International Services | Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
International Services | Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
International Services | Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 66,158,000 | 41,692,000
International Services | Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
International Services | Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 57,225,000
Facility Construction and Design | Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
Facility Construction and Design | Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
Facility Construction and Design | Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
Facility Construction and Design | Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 0
Facility Construction and Design | Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | 57,225,000
Facility Construction and Design | Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 0 | $ 0
Department Of Justice, State Of Victoria | Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 0 |
Number of contracts | contract |  | 1
Number of beds in detention facility | bed | 1,300 |
Contract term | 25 years |

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