Loans - Risk Ratings by Class of Loan (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Investments in loans
Total Amortized Cost Basis	$ 22,002,195	$ 21,627,097
Credit Loss Allowance	397,695	440,842
Loans held-for-sale
Investments in loans
Total Amortized Cost Basis	2,322,940	$ 2,323,543
Credit Loss Allowance	0
Commercial loans:
Investments in loans
2026	690,247
2025	5,143,318
2024	981,615
2023	881,304
2022	3,544,704
Prior	5,357,302
Total Amortized Cost Basis	16,598,490
Credit Loss Allowance	383,736
Commercial loans: \| LTV less than 60%
Investments in loans
2026	0
2025	1,560,352
2024	289,219
2023	365,769
2022	640,271
Prior	706,653
Total Amortized Cost Basis	3,562,264
Credit Loss Allowance	2,965
Commercial loans: \| LTV 60% - 70%
Investments in loans
2026	274,776
2025	2,967,017
2024	411,258
2023	446,316
2022	1,728,499
Prior	1,664,261
Total Amortized Cost Basis	7,492,127
Credit Loss Allowance	16,903
Commercial loans: \| LTV > 70%
Investments in loans
2026	415,471
2025	610,949
2024	281,138
2023	64,669
2022	1,175,934
Prior	2,945,525
Total Amortized Cost Basis	5,493,686
Credit Loss Allowance	331,787
Commercial loans: \| Credit deteriorated
Investments in loans
2026	0
2025	0
2024	0
2023	0
2022	0
Prior	40,863
Total Amortized Cost Basis	40,863
Credit Loss Allowance	32,081
Commercial loans: \| Defeased and other
Investments in loans
2026	0
2025	5,000
2024	0
2023	4,550
2022	0
Prior	0
Total Amortized Cost Basis	9,550
Credit Loss Allowance	0
Infrastructure loans:
Investments in loans
2026	506,466
2025	1,655,362
2024	533,211
2023	263,617
2022	46,095
Prior	76,014
Total Amortized Cost Basis	3,080,765
Credit Loss Allowance	13,959
Infrastructure loans: \| Power
Investments in loans
2026	407,215
2025	1,044,860
2024	252,557
2023	108,484
2022	46,095
Prior	36,988
Total Amortized Cost Basis	1,896,199
Credit Loss Allowance	8,116
Infrastructure loans: \| Oil and gas
Investments in loans
2026	99,251
2025	610,502
2024	280,654
2023	155,133
2022	0
Prior	39,026
Total Amortized Cost Basis	1,184,566
Credit Loss Allowance	$ 5,843

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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