XML 65 R56.htm IDEA: XBRL DOCUMENT v3.23.3
Fair Value Measurements, Fair Value Of Financial Instruments as Measured On a Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Assets: [Abstract]            
Trading securities $ 4,748,101   $ 4,464,161      
Available for sale securities 11,906,647   11,493,860      
Fair value option securities 20,215   296,590      
Mortgage servicing rights 311,382 $ 304,722 277,608 $ 283,806 $ 270,312 $ 163,198
Derviative contracts, net of cash collateral, Assets, Fair value 546,109   880,343      
Liabilities: [Abstract]            
Derivative contracts, net of cash collateral, Liabilities, Fair Value 403,947   554,900      
U.S. government securities [Member]            
Assets: [Abstract]            
Trading securities 18,843   9,823      
Residential agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Trading securities 4,653,161   4,406,848      
Available for sale securities 6,216,955   5,814,496      
Fair value option securities 20,215   296,590      
Municipal securities [Member]            
Assets: [Abstract]            
Trading securities 51,998   21,484      
Available for sale securities 488,269   624,500      
U.S. Treasury [Member]            
Assets: [Abstract]            
Available for sale securities 897   898      
Residential non-agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 715,806   577,576      
Commercial agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 4,484,247   4,475,917      
Other debt securities [Member]            
Assets: [Abstract]            
Trading securities 24,099   26,006      
Available for sale securities 473   473      
Fair Value, Recurring [Member]            
Assets: [Abstract]            
Trading securities 4,748,101   4,464,161      
Available for sale securities 11,906,647   11,493,860      
Residential mortgage loans held for sale 72,489 [1]   75,272 [2]      
Mortgage servicing rights 311,382 [3]   277,608 [4]      
Derviative contracts, net of cash collateral, Assets, Fair value 546,109   880,343      
Liabilities: [Abstract]            
Derivative contracts, net of cash collateral, Liabilities, Fair Value 403,947   554,900      
Fair Value, Recurring [Member] | U.S. government securities [Member]            
Assets: [Abstract]            
Trading securities 18,843   9,823      
Fair Value, Recurring [Member] | Residential agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Trading securities 4,653,161   4,406,848      
Available for sale securities 6,216,955   5,814,496      
Fair value option securities 20,215   296,590      
Fair Value, Recurring [Member] | Municipal securities [Member]            
Assets: [Abstract]            
Trading securities 51,998   21,484      
Available for sale securities 488,269   624,500      
Fair Value, Recurring [Member] | Other trading securities            
Assets: [Abstract]            
Trading securities 24,099   26,006      
Fair Value, Recurring [Member] | U.S. Treasury [Member]            
Assets: [Abstract]            
Available for sale securities 897   898      
Fair Value, Recurring [Member] | Residential non-agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 715,806   577,576      
Fair Value, Recurring [Member] | Commercial agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 4,484,247   4,475,917      
Fair Value, Recurring [Member] | Other debt securities [Member]            
Assets: [Abstract]            
Available for sale securities 473   473      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]            
Assets: [Abstract]            
Trading securities 17,932   4,970      
Available for sale securities 897   898      
Residential mortgage loans held for sale 0 [1]   0 [2]      
Mortgage servicing rights 0 [3]   0 [4]      
Derviative contracts, net of cash collateral, Assets, Fair value 1,596   2,110      
Liabilities: [Abstract]            
Derivative contracts, net of cash collateral, Liabilities, Fair Value 190   16      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. government securities [Member]            
Assets: [Abstract]            
Trading securities 17,932   4,970      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Residential agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Available for sale securities 0   0      
Fair value option securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Municipal securities [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other trading securities            
Assets: [Abstract]            
Trading securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Treasury [Member]            
Assets: [Abstract]            
Available for sale securities 897   898      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Residential non-agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other debt securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]            
Assets: [Abstract]            
Trading securities 4,730,169   4,459,191      
Available for sale securities 11,905,277   11,492,489      
Residential mortgage loans held for sale 65,179 [1]   68,054 [2]      
Mortgage servicing rights 0 [3]   0 [4]      
Derviative contracts, net of cash collateral, Assets, Fair value 544,513   878,233      
Liabilities: [Abstract]            
Derivative contracts, net of cash collateral, Liabilities, Fair Value 403,757   554,884      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. government securities [Member]            
Assets: [Abstract]            
Trading securities 911   4,853      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Residential agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Trading securities 4,653,161   4,406,848      
Available for sale securities 6,216,955   5,814,496      
Fair value option securities 20,215   296,590      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Municipal securities [Member]            
Assets: [Abstract]            
Trading securities 51,998   21,484      
Available for sale securities 488,269   624,500      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other trading securities            
Assets: [Abstract]            
Trading securities 24,099   26,006      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. Treasury [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Residential non-agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 715,806   577,576      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 4,484,247   4,475,917      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other debt securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Available for sale securities 473   473      
Residential mortgage loans held for sale 7,310 [1]   7,218 [2]      
Mortgage servicing rights 311,382 [3]   277,608 [4]      
Derviative contracts, net of cash collateral, Assets, Fair value $ 0   $ 0      
Liquidity Discount on Mortgage Loans Qualifying for Sale to US Govt Agencies 78.46%   77.55%      
Liabilities: [Abstract]            
Derivative contracts, net of cash collateral, Liabilities, Fair Value $ 0   $ 0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. government securities [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Residential agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Available for sale securities 0   0      
Fair value option securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Municipal securities [Member]            
Assets: [Abstract]            
Trading securities 0   0      
Available for sale securities     0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other trading securities            
Assets: [Abstract]            
Trading securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | U.S. Treasury [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Residential non-agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial agency mortgage-backed securities [Member]            
Assets: [Abstract]            
Available for sale securities 0   0      
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other debt securities [Member]            
Assets: [Abstract]            
Available for sale securities $ 473   $ 473      
[1] Residential mortgage loans held for sale measured at fair value on a recurring basis using significant unobservable inputs (Level 3) consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards and are valued at 78.46% of the unpaid principal balance.
[2] Residential mortgage loans held for sale measured at fair value on a recurring basis using significant unobservable inputs (Level 3) consist of residential mortgage loans intended for sale to U.S. government agencies that fail to meet conforming standards and are valued at 77.55% of the unpaid principal balance.
[3] A reconciliation of the beginning and ending fair value of mortgage servicing rights and disclosures of significant assumptions used to determine fair value are presented in Note 5, Mortgage Banking Activities.3See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts in asset and liability positions that were valued based on quoted prices in active markets for identical instruments (Level 1) are primarily exchange-traded interest rate derivative contracts held for trading purposes.
[4] A reconciliation of the beginning and ending fair value of mortgage servicing rights and disclosures of significant assumptions used to determine fair value are presented in Note 5, Mortgage Banking Activities.3See Note 3 for detail of fair value of derivative contracts by contract type. Derivative contracts in asset and liability positions that were valued based on quoted prices in active markets for identical instruments (Level 1) are primarily exchange-traded interest rate derivative contracts held for trading purposes.