Disclosures About Offsetting Assets and Liabilities (Financial Assets and Derivative Assets that are Subject to Offset) (Details) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Offsetting Assets [Line Items]
Fair value of securities received as collateral	$ 525,843	$ 199,110
Fair Value Of Securities Received As Collateral [Member]
Offsetting Assets [Line Items]
Fair value of securities received as collateral	578,100	$ 217,300
Fair Value Of Securities Received As Collateral [Member] | Interest Rate Contracts [Member]
Offsetting Assets [Line Items]
Fair value of securities received as collateral	$ 95,500