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Commitments and Contingencies (Details)	6 Months Ended
	Jun. 30, 2022 USD ($) shares	Dec. 31, 2021 USD ($)
Loss Contingencies [Line Items]
Loan commitments	$ 8,200,000,000	$ 4,500,000,000
Standby letters of credit	$ 223,000,000	75,700,000
Fixed rate loan commitment, percent	10.00%
Loan commitments floating rate, minimum	0.00%
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	1.6059
Investment owned, balance, shares (in shares) | shares	65,466
Investment owned, at cost	$ 0

X

- Definition

Amount of valuation allowance recorded for unfunded commitments to extend credit.

+ References

No definition available.

+ Details

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X

- Definition

Amount of credit extended with unaffiliated banks related to letter of credit commitments issued on behalf of our clients.

+ References

No definition available.

+ Details

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X

- Definition

Amount of collateral provided to secure credit extended with unaffiliated banks related to letter of credit commitments issued on behalf of our clients.

+ References

No definition available.

+ Details

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X

- Definition

Amount of agreement to extend credit in the form of a loan.

+ References

No definition available.

+ Details

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X

- Definition

Maximum floating rate percentage charged on loan commitments.

+ References

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X

- Definition

Minimum floating rate percentage charged on loan commitments.

+ References

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- Definition

Loans and Leases Receivable, Commitments, Fixed Rates, Percent

+ References

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- Definition

Amount of agreement to extend credit in the form of a standby letter of credit.

+ References

No definition available.

+ Details

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- Definition

Restricted stock conversion ratio.

+ References

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Balance Type:	na
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X

- Definition

Cost of the investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

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- Definition

Balance held at close of period in number of shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=99383244&loc=d3e12121-115841

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 3
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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