Business and Organization (Details) - KREF - KKR - Common Stock	Sep. 30, 2026 shares
Related Party Transaction [Line Items]
Common stock (in shares)	10,000,001
Issued and outstanding common stock owned, percentage (as a percent)	17.50%

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.

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+ Details