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Resale and Repurchase Agreements Remaining Contractual Maturities of Repurchase Agreements (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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U.S. government and federal agency obligations |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 277,127 | $ 518,937
U.S. government and federal agency obligations | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 277,127 | 518,937
U.S. government and federal agency obligations | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
U.S. government and federal agency obligations | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Government-sponsored enterprise obligations |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 10,520 | 9,969
Government-sponsored enterprise obligations | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 10,520 | 9,969
Government-sponsored enterprise obligations | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Government-sponsored enterprise obligations | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Agency mortgage-backed securities |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 1,582,834 | 1,673,006
Agency mortgage-backed securities | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 1,548,484 | 1,641,156
Agency mortgage-backed securities | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 7,100 | 9,600
Agency mortgage-backed securities | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 27,250 | 22,250
Non-agency mortgage-backed securities |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 33,628 | 24,273
Non-agency mortgage-backed securities | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 33,628 | 24,273
Non-agency mortgage-backed securities | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Non-agency mortgage-backed securities | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Asset-backed securities |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 506,651 | 511,691
Asset-backed securities | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 456,838 | 462,841
Asset-backed securities | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 21,080 | 30,623
Asset-backed securities | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 28,733 | 18,227
Other debt securities |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 59,726 | 65,167
Other debt securities | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 59,726 | 65,167
Other debt securities | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Other debt securities | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 0 | 0
Total repurchase agreements, gross amount recognized |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 2,470,486 | 2,803,043
Total repurchase agreements, gross amount recognized | Overnight and continuous |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 2,386,323 | 2,722,343
Total repurchase agreements, gross amount recognized | Up to 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | 28,180 | 40,223
Total repurchase agreements, gross amount recognized | Greater than 90 days |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |
Assets Sold under Agreements to Repurchase, Repurchase Liability | $ 55,983 | $ 40,477

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