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Shareholders' Equity - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Components of Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | $ 996,830 |
Current-period other comprehensive income (loss) | (13,164) | $ 2,252
Ending balance | 958,346 |
Foreign currency translation adjustments, net of tax attributable to The GEO Group, Inc. |  |
Components of Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (12,314) | (14,573)
Current-period other comprehensive income (loss) | (8,759) | 1,736
Ending balance | (21,073) | (12,837)
Change in fair value of derivatives, net of tax |  |
Components of Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (1,476) | (5,746)
Current-period other comprehensive income (loss) | (4,512) | 1,164
Ending balance | (5,988) | (4,582)
Pension adjustments, net of tax |  |
Components of Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (6,545) | (3,299)
Current-period other comprehensive income (loss) | 107 | (648)
Ending balance | (6,438) | (3,947)
Total |  |
Components of Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (20,335) | (23,618)
Ending balance | $ (33,499) | $ (21,366)

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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