Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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The gross carrying amount of the outstanding balance due under the mortgage loan.

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Loans - Investments in Mortgages and Loans (Details) $ in Thousands, € in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Investments in loans
Carrying Value	$ 21,627,097	$ 18,401,316
Face Amount	21,922,738	18,771,668
Credit loss allowances:	(440,842)	(448,295)
Total net loans	$ 21,186,255	$ 17,953,021		$ 20,219,886	$ 21,186,033
Residential, fair value option
Investments in loans
Weighted Average Life (in years)	25 years 9 months 18 days	26 years 9 months 18 days
Commercial loans:
Investments in loans
Carrying Value	$ 16,464,698
Credit loss allowances:	(426,365)
Infrastructure loans:
Investments in loans
Carrying Value	2,838,856
Credit loss allowances:	(14,477)
Loans held for investment
Investments in loans
Carrying Value	19,303,554	$ 15,885,308
Face Amount	19,419,886	15,951,014
Credit loss allowances:	(440,842)	(448,295)
Loans held for investment \| Commercial loans:
Investments in loans
Carrying Value	16,464,698	13,331,876
Face Amount	16,529,513	13,356,747
Credit loss allowances:	(426,365)	(436,812)
Total net loans	16,038,333	12,895,064		15,078,589	16,048,507
Loans held for investment \| Infrastructure loans:
Investments in loans
Carrying Value	2,838,856	2,553,432
Face Amount	$ 2,890,373	$ 2,594,267
Weighted Average Life (in years)	5 years 1 month 6 days	4 years 4 months 24 days
Credit loss allowances:	$ (14,477)	$ (11,483)
Total net loans	$ 2,824,379	$ 2,541,949		2,495,660	2,352,932
Loans held for investment \| Weighted Average Coupon \| Infrastructure loans:
Investments in loans
Weighted Average Coupon	7.40%	8.30%
Loans held-for-sale
Investments in loans
Carrying Value	$ 2,323,543	$ 2,516,008
Face Amount	2,502,852	2,820,654
Credit loss allowances:	0
Total net loans	2,323,543	2,516,008		$ 2,645,637	$ 2,784,594
Loans held-for-sale \| Residential, fair value option
Investments in loans
Carrying Value	2,278,067	2,394,624
Face Amount	2,455,552	2,694,959
Loans held-for-sale \| Commercial, fair value option
Investments in loans
Carrying Value	45,476	121,384
Face Amount	$ 47,300	$ 125,695
Weighted Average Life (in years)	8 years 6 months	7 years 3 months 18 days
Loans held-for-sale \| Weighted Average Coupon \| Residential, fair value option
Investments in loans
Weighted Average Coupon	4.40%	4.50%
Loans held-for-sale \| Weighted Average Coupon \| Commercial, fair value option
Investments in loans
Weighted Average Coupon	6.40%	7.00%
First Mortgages \| Loans held for investment
Investments in loans
Carrying Value	$ 16,086,585	$ 12,931,333
Face Amount	$ 16,148,916	$ 12,955,038
Weighted Average Life (in years)	2 years 8 months 12 days	2 years 4 months 24 days
First Mortgages \| Loans held for investment \| Weighted Average Coupon
Investments in loans
Weighted Average Coupon	7.00%	7.90%
Subordinated Mortgages \| Loans held for investment
Investments in loans
Carrying Value	$ 15,683	$ 31,247
Face Amount	$ 15,290	$ 31,000
Weighted Average Life (in years)	1 month 6 days	1 year 4 months 24 days
Subordinated Mortgages \| Loans held for investment \| Weighted Average Coupon
Investments in loans
Weighted Average Coupon	11.10%	14.30%
Mezzanine Loans
Investments in loans
Total net loans	$ 1,300,000	$ 900,000
Mezzanine Loans \| Commercial loans:
Investments in loans
Face Amount	$ 30,100		€ 25.6
Weighted Average Coupon	15.00%
Mezzanine Loans \| Loans held for investment
Investments in loans
Carrying Value	$ 311,175	323,041
Face Amount	$ 313,619	$ 324,021
Weighted Average Life (in years)	2 years 9 months 18 days	1 year 8 months 12 days
Mezzanine Loans \| Loans held for investment \| Weighted Average Coupon
Investments in loans
Weighted Average Coupon	10.80%	11.10%
Other \| Loans held for investment
Investments in loans
Carrying Value	$ 51,255	$ 46,255
Face Amount	$ 51,688	$ 46,688
Weighted Average Life (in years)	2 years 7 months 6 days	3 years 9 months 18 days
Other \| Loans held for investment \| Weighted Average Coupon
Investments in loans
Weighted Average Coupon	9.10%	13.20%