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Commitments and Contingent Liabilities - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2012 | Dec. 31, 2021
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Operating lease not yet commenced, liability |  | $ 1,700,000 |  | $ 1,700,000 |  |  |
Minimum lease payments |  | 25,612,000 |  | 25,612,000 |  |  |
Litigation Matters |  |  |  |  |  |  |
Restricted cash and cash equivalents | [1] | 930,000 | $ 1,930,000 | 930,000 | $ 1,930,000 |  |
Visa Inc. |  |  |  |  |  |  |
Litigation Matters |  |  |  |  |  |  |
Settlement agreement amount |  |  |  |  |  | $ 4,000,000,000 |
Increase in litigation escrow account |  | 600,000,000 |  |  |  |  |
Restricted cash and cash equivalents |  | $ 1,500,000,000 |  | $ 1,500,000,000 |  |  |
Minimum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Weighted average remaining term (in years) |  | 5 months |  | 5 months |  |  |
Finance lease, initial contract terms (in years) |  | 3 years |  | 3 years |  |  |
Maximum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Weighted average remaining term (in years) |  | 10 years |  | 10 years |  |  |
Finance lease, initial contract terms (in years) |  | 5 years |  | 5 years |  |  |
Total commitments and standby letters of credit |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Unfunded commitments credit loss reversal |  | $ 0 | $ 612,000 | $ 318,000 | $ 1,200,000 |  |
Total commitments and standby letters of credit | Interest payable and other liabilities |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Allowance for off balance sheet commitments |  | $ 1,500,000 |  | $ 1,500,000 |  |  | $ 1,800,000
[1] | Restricted cash includes reserve requirements held with the Federal Reserve Bank of San Francisco and other cash pledged. In response to the COVID-19 pandemic, the Federal Reserve reduced the reserve requirement ratios to zero percent effective March 26, 2020.

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