Other Assets - Derivative Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Swap
Derivative [Line Items]
Notional Amount	$ 5,165,600	$ 4,480,500
Weighted Average Fixed-Pay Interest Rate	2.83%	2.74%
Weighted Average Variable Interest Rate	3.68%	3.87%
Swap \| Within 30 days
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 30 days to 3 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 3 months to 6 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 6 months to 12 months
Derivative [Line Items]
Notional Amount	$ 1,300,000	$ 450,000
Weighted Average Fixed-Pay Interest Rate	1.42%	1.12%
Weighted Average Variable Interest Rate	3.68%	3.87%
Swap \| Over 12 months to 24 months
Derivative [Line Items]
Notional Amount	$ 215,000	$ 1,065,000
Weighted Average Fixed-Pay Interest Rate	2.93%	1.85%
Weighted Average Variable Interest Rate	3.68%	3.87%
Swap \| Over 24 months to 36 months
Derivative [Line Items]
Notional Amount	$ 415,000	$ 341,500
Weighted Average Fixed-Pay Interest Rate	3.24%	3.23%
Weighted Average Variable Interest Rate	3.68%	3.87%
Swap \| Over 36 months to 48 months
Derivative [Line Items]
Notional Amount	$ 332,800	$ 332,800
Weighted Average Fixed-Pay Interest Rate	2.96%	2.96%
Weighted Average Variable Interest Rate	3.68%	3.87%
Swap \| Over 48 months to 60 months
Derivative [Line Items]
Notional Amount	$ 1,710,200	$ 1,463,900
Weighted Average Fixed-Pay Interest Rate	3.32%	3.36%
Weighted Average Variable Interest Rate	3.68%	3.87%
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	$ 1,192,600	$ 827,300
Weighted Average Fixed-Pay Interest Rate	3.48%	3.36%
Weighted Average Variable Interest Rate	3.68%	3.87%
Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 2,100,000	$ 2,100,000
ERIS Swap Futures
Derivative [Line Items]
Notional Amount	$ 3,100,000	$ 2,400,000

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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