Cost of repurchase of shares under share repurchase program.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Number of shares repurchased under share repurchase program.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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Period Type:	duration

- Definition

Share repurchase program additional amount authorized to be repurchased.

+ References

No definition available.

+ Details

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Namespace Prefix:	cxw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Stockholders' Equity - Share Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended	32 Months Ended	35 Months Ended
	May 16, 2024	Aug. 02, 2022	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share repurchase program, authorized Amount			$ 150.0		$ 150.0
Share Repurchase Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Cost of repurchase of shares under share repurchase program				$ 181.1	$ 219.0
Stock repurchased during period, shares				14,500,000	16,500,000
Shares repurchased, cost per share				$ 12.47	$ 13.3
Stock repurchase, remaining authorized repurchase amount			$ 131.0		$ 131.0
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Number of shares repurchased under share repurchase program			1,900,000
Cost of repurchase of shares under share repurchase program			$ 37.9
Shares repurchased, cost per share			$ 19.56
Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share repurchase program, authorized Amount	$ 350.0	$ 225.0
Share repurchase program, additional amount authorized to be repurchased	$ 125.0	$ 75.0