Derivative Instruments - Schedule Of Trading Securities Portfolio Financing-Related Swap Positions (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 3,796,860	$ 122,017
Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	3,649,500	$ 32,517
Second quarter 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 400,000
Average Fixed Rates	0.02%
Third quarter 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 1,200,000
Average Fixed Rates	0.01%
Fourth quarter 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 800,000
Average Fixed Rates	0.07%
First quarter 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 50,000
Average Fixed Rates	0.13%
Second quarter 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 350,000
Average Fixed Rates	0.20%
Third quarter 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 100,000
Average Fixed Rates	0.03%
Fourth quarter 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 374,500
Average Fixed Rates	0.09%
First quarter 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 150,000
Average Fixed Rates	0.28%
Second quarter 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Swap Notional Amounts	$ 225,000
Average Fixed Rates	0.32%