Commitments and Contingencies (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Loan commitments	$ 7,991,000,000	$ 4,489,000,000
Standby letters of credit	$ 221,100,000	75,700,000
Fixed rate loan commitment, percent	10.00%
Loan commitments floating rate, minimum	0.174%
Loan commitments floating rate, maximum	21.00%
Allowance for unfunded loan commitments	$ 22,000,000	10,900,000
Extended credit	6,700,000	21,800,000
Credit extensions with collateral	$ 6,500,000	$ 6,500,000
Class B Restricted Shares | Visa
Loss Contingencies [Line Items]
Restricted stock conversion ratio	1.6181
Investment owned, balance, shares | shares	65,466
Investment owned, at cost	$ 0