Goodwill and Other Intangible Assets, Net (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Changes in the Company's goodwill balances
Beginning balance	$ 776,359	$ 778,951
Acquisitions (net of dispositions)		(2,549)
Foreign currency translation	(3)	(43)
Ending balance	776,356	776,359
U.S. Secure Services
Changes in the Company's goodwill balances
Beginning balance	316,366	317,005
Acquisitions (net of dispositions)		(639)
Foreign currency translation	0	0
Ending balance	316,366	316,366
GEO Care
Changes in the Company's goodwill balances
Beginning balance	459,589	461,499
Acquisitions (net of dispositions)		(1,910)
Foreign currency translation	0	0
Ending balance	459,589	459,589
International Services
Changes in the Company's goodwill balances
Beginning balance	404	447
Acquisitions (net of dispositions)		0
Foreign currency translation	(3)	(43)
Ending balance	$ 401	$ 404

Goodwill, Acquired (Disposed) During Period, Net

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 45
-Paragraph 1
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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