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Other Assets - Derivative Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Swap |  |
Derivative [Line Items] |  |
Notional Amount | $ 5,703,700 | $ 4,480,500
Weighted Average Fixed-Pay Interest Rate | 2.94% | 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 | $ 450,000 | $ 0
Weighted Average Fixed-Pay Interest Rate | 1.12% | 0.00%
Weighted Average Variable Interest Rate | 3.68% | 0.00%
Swap | Over 6 months to 12 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 975,000 | $ 450,000
Weighted Average Fixed-Pay Interest Rate | 1.73% | 1.12%
Weighted Average Variable Interest Rate | 3.68% | 3.87%
Swap | Over 12 months to 24 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 90,000 | $ 1,065,000
Weighted Average Fixed-Pay Interest Rate | 3.25% | 1.85%
Weighted Average Variable Interest Rate | 3.68% | 3.87%
Swap | Over 24 months to 36 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 733,000 | $ 341,500
Weighted Average Fixed-Pay Interest Rate | 3.13% | 3.23%
Weighted Average Variable Interest Rate | 3.68% | 3.87%
Swap | Over 36 months to 48 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 22,800 | $ 332,800
Weighted Average Fixed-Pay Interest Rate | 3.17% | 2.96%
Weighted Average Variable Interest Rate | 3.68% | 3.87%
Swap | Over 48 months to 60 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 1,849,700 | $ 1,463,900
Weighted Average Fixed-Pay Interest Rate | 3.35% | 3.36%
Weighted Average Variable Interest Rate | 3.68% | 3.87%
Swap | Over 60 months to 72 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 29,000 | $ 0
Weighted Average Fixed-Pay Interest Rate | 3.99% | 0.00%
Weighted Average Variable Interest Rate | 3.68% | 0.00%
Swap | Over 72 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 1,554,200 | $ 827,300
Weighted Average Fixed-Pay Interest Rate | 3.60% | 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 | $ 3,600,000 | $ 2,400,000

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- Definition Average fixed interest rate related to the group of interest rate derivatives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5 + Details
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- Definition Average variable interest rate related to the group of interest rate derivatives. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5 + Details
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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 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-18 Reference 3: 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 + Details
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