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Other Assets - Derivative Instruments (Details) - Swaps, at fair value - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |
Notional Amount | $ 3,177,260 | $ 3,277,260
Weighted Average Fixed-Pay Interest Rate | 1.86% | 1.85%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 30 days to 3 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 0 | $ 100,000
Weighted Average Fixed-Pay Interest Rate | 0.00% | 1.49%
Weighted Average Variable Interest Rate (as a percent) | 0.00% | 5.38%
Over 6 months to 12 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 1,000,010 | $ 450,010
Weighted Average Fixed-Pay Interest Rate | 1.09% | 0.90%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 12 months to 24 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 125,000 | $ 675,000
Weighted Average Fixed-Pay Interest Rate | 2.70% | 1.52%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 24 months to 36 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 (as a percent) | 5.34% | 5.38%
Over 36 months to 48 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 125,000 | $ 975,000
Weighted Average Fixed-Pay Interest Rate | 2.71% | 1.73%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 48 months to 60 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 24,600 | $ 24,600
Weighted Average Fixed-Pay Interest Rate | 4.28% | 4.28%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 60 months to 72 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 310,000 | $ 310,000
Weighted Average Fixed-Pay Interest Rate | 2.95% | 2.95%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%
Over 72 months |  |
Derivative [Line Items] |  |
Notional Amount | $ 292,650 | $ 292,650
Weighted Average Fixed-Pay Interest Rate | 4.32% | 4.32%
Weighted Average Variable Interest Rate (as a percent) | 5.34% | 5.38%

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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/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 + Details
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