Other Assets - Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Swap
Derivative [Line Items]
Notional Amount	$ 3,773,600	$ 3,313,750
Weighted Average Fixed-Pay Interest Rate	2.63%	2.20%
Weighted Average Variable Interest Rate	4.24%	4.49%
Swap \| Within 30 days
Derivative [Line Items]
Notional Amount	$ 0	$ 450,000
Weighted Average Fixed-Pay Interest Rate	0.00%	1.16%
Weighted Average Variable Interest Rate	0.00%	4.49%
Swap \| Over 30 days to 3 months
Derivative [Line Items]
Notional Amount	$ 0	$ 100,000
Weighted Average Fixed-Pay Interest Rate	0.00%	1.65%
Weighted Average Variable Interest Rate	0.00%	4.49%
Swap \| Over 3 months to 6 months
Derivative [Line Items]
Notional Amount	$ 0	$ 125,000
Weighted Average Fixed-Pay Interest Rate	0.00%	2.69%
Weighted Average Variable Interest Rate	0.00%	4.49%
Swap \| Over 6 months to 12 months
Derivative [Line Items]
Notional Amount	$ 0	$ 0
Weighted Average Fixed-Pay Interest Rate	0.00%	0.00%
Weighted Average Variable Interest Rate	0.00%	0.00%
Swap \| Over 12 months to 24 months
Derivative [Line Items]
Notional Amount	$ 1,591,500	$ 450,000
Weighted Average Fixed-Pay Interest Rate	1.74%	1.12%
Weighted Average Variable Interest Rate	4.24%	4.49%
Swap \| Over 24 months to 36 months
Derivative [Line Items]
Notional Amount	$ 361,500	$ 1,045,000
Weighted Average Fixed-Pay Interest Rate	3.33%	1.84%
Weighted Average Variable Interest Rate	4.24%	4.49%
Swap \| Over 36 months to 48 months
Derivative [Line Items]
Notional Amount	$ 332,800	$ 24,600
Weighted Average Fixed-Pay Interest Rate	2.96%	4.28%
Weighted Average Variable Interest Rate	4.24%	4.49%
Swap \| Over 48 months to 60 months
Derivative [Line Items]
Notional Amount	$ 793,700	$ 574,000
Weighted Average Fixed-Pay Interest Rate	3.37%	3.28%
Weighted Average Variable Interest Rate	4.24%	4.49%
Swap \| Over 60 months to 72 months
Derivative [Line Items]
Notional Amount	$ 0	$ 0
Weighted Average Fixed-Pay Interest Rate	0.00%	0.00%
Weighted Average Variable Interest Rate	0.00%	0.00%
Swap \| Over 72 months
Derivative [Line Items]
Notional Amount	$ 694,100	$ 545,150
Weighted Average Fixed-Pay Interest Rate	3.31%	3.42%
Weighted Average Variable Interest Rate	4.24%	4.49%
Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 2,100,000
ERIS Swap Futures
Derivative [Line Items]
Notional Amount	$ 1,700,000

Average fixed interest rate related to the group of interest rate derivatives.

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- Definition

Average variable interest rate related to the group of interest rate derivatives.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

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