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Summary of Significant Accounting Policies - Real Estate Loans (Narrative) (Details)	12 Months Ended
	Dec. 31, 2024
Minimum
Significant Accounting Policies [Line Items]
Business purpose loans term	3 years
Business purpose maturity loan term	12 years
Maximum
Significant Accounting Policies [Line Items]
Business purpose loans term	30 years
Business purpose maturity loan term	36 months

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Significant Accounting Policies [Line Items]

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