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Revenue Recognition (Details) | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) bed 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 | $ 1,148,426,000 | $ 1,127,684,000
Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 535,609,000 | 525,195,000
Owned and Leased: Community-based |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 84,312,000 | 62,613,000
Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 45,901,000 | 43,390,000
Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 325,288,000 | 269,280,000
Facility Construction and Design |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 0 | 91,165,000
Interest income, effective interest rate | 8.97% |
Non-residential Services and Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 157,316,000 | 136,041,000
U.S. Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 727,670,000 | 708,769,000
U.S. Corrections & Detention | Owned and Leased: Corrections & Detention |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 535,609,000 | 525,195,000
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 | 192,061,000 | 183,574,000
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 | 290,006,000 | 243,130,000
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 | 84,312,000 | 62,613,000
GEO Care | Owned and Leased: Youth Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 45,901,000 | 43,390,000
GEO Care | Managed Only |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 2,477,000 | 1,086,000
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 | 157,316,000 | 136,041,000
International Services |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 130,750,000 | 84,620,000
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 | 130,750,000 | 84,620,000
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 | 91,165,000
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 | 91,165,000
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 | 25 years

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