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Revenue from Contract with Customers - BaaS Fees (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Program income - within the scope of Topic 606 |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue from contract with customer | $ 12,934 | $ 6,716
Increase (decrease) in revenue from contracts with customer | 6,218 |
Reimbursement of expenses | 2,732 | 1,004
Increase (decrease) in reimbursement of expenses | 1,728 |
Guarantees - not within the scope of Topic 606: |  |
Disaggregation Of Revenue [Line Items] |  |
Total BaaS enhancements / guarantees | 105,945 | 10,591
Increase (decrease) in reimbursements and guarantees | 95,354 |
Servicing and other BaaS fees | Program income - within the scope of Topic 606 |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue from contract with customer | 4,408 | 4,467
Increase (decrease) in revenue from contracts with customer | (59) |
Transaction | Program income - within the scope of Topic 606 |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue from contract with customer | 3,211 | 544
Increase (decrease) in revenue from contracts with customer | 2,667 |
Interchange |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue from contract with customer | 2,055 | 1,959
Interchange | Program income - within the scope of Topic 606 |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue from contract with customer | 2,583 | 701
Increase (decrease) in revenue from contracts with customer | 1,882 |
BaaS credit enhancement | Guarantees - not within the scope of Topic 606: |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue not from contract with customer | 76,374 | 9,086
Increase (decrease) in revenue not from contracts with customer | 67,288 |
BaaS fraud enhancement | Guarantees - not within the scope of Topic 606: |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue not from contract with customer | 29,571 | 1,505
Increase (decrease) in revenue not from contracts with customer | 28,066 |
Total BaaS fees |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue not from contract with customer | 105,945 | 10,591
Total BaaS fees | Guarantees - not within the scope of Topic 606: |  |
Disaggregation Of Revenue [Line Items] |  |
Revenue not from contract with customer | 118,879 | $ 17,307
Increase (decrease) in revenue not from contracts with customer | $ 101,572 |

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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