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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2012 | Dec. 31, 2020 | Dec. 31, 2019
Loss Contingencies [Line Items] |  |  |  |  |
Operating leases, rent expense |  | $ 4,600 |  |  |
Balance of escrow account for legal settlements maintained by Visa | [1] | $ 5,971 |  | $ 0 | $ 4,806
Minimum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating lease, remaining lease term (in years) |  |  |  | 6 months |
Finance lease, initial contract terms (in years) |  |  |  | 3 years |
Maximum |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Operating lease, remaining lease term (in years) |  |  |  | 12 years |
Finance lease, initial contract terms (in years) |  |  |  | 5 years |
Visa Inc. |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimated amount due to class plaintiffs in Visa litigation |  |  | $ 4,000,000 |  |
Balance of escrow account for legal settlements maintained by Visa |  |  |  | $ 894 |
[1] | 1 Restricted cash includes reserve requirements held with the Federal Reserve Bank of San Francisco. In response to the COVID-19 pandemic, the Federal Reserve reduced the reserve requirement ratios to zero percent effective March 26, 2020. The accompanying notes are an integral part of these consolidated financial statements.

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