REAL ESTATE - Geographic Concentration Risk (Details) - Assets, Total - Geographic Concentration Risk	6 Months Ended
	Jun. 30, 2025
Illinois
Concentration Risk [Line Items]
Concentration risk, percentage	21.40%
California
Concentration Risk [Line Items]
Concentration risk, percentage	20.40%
Texas
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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Reference 7: http://www.xbrl.org/2003/role/exampleRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References + Details

KBS Real Estate Investment Trust III, Inc. 10-Q