Quarterly report pursuant to Section 13 or 15(d)

Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets (Details)

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Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements $ 9,164,409 $ 8,650,229
Repurchase agreements 8,434,910 8,020,207
Available-for-sale securities    
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements 8,025,226 8,126,028
Mortgage servicing rights    
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements 1,012,614 463,529
Repurchase agreements 600,000 272,572
Mortgage servicing rights | Variable Funding Note    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreements 600,000 214,000
Mortgage servicing rights | Term notes payable    
Assets Sold under Agreements to Repurchase [Line Items]    
Repurchase agreements   58,600
Restricted cash    
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements 97,530 12,375
Due from counterparties    
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements 22,542 36,420
Derivative assets    
Assets Sold under Agreements to Repurchase [Line Items]    
Assets pledged or restricted as collateral for repurchase agreements $ 6,497 $ 11,877