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Loans to Bank Customers - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Outstanding Loans [Line Items]
Total loans	$ 44,959	$ 30,499
Non-Classified
Outstanding Loans [Line Items]
Total loans	42,535	27,930
Classified
Outstanding Loans [Line Items]
Total loans	2,424	2,569
Residential
Outstanding Loans [Line Items]
Total loans	4,604	4,264
Residential | Non-Classified
Outstanding Loans [Line Items]
Total loans	4,492	4,035
Residential | Classified
Outstanding Loans [Line Items]
Total loans	112	229
Commercial
Outstanding Loans [Line Items]
Total loans	2,540	2,542
Commercial | Non-Classified
Outstanding Loans [Line Items]
Total loans	2,540	2,542
Commercial | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Installment
Outstanding Loans [Line Items]
Total loans	3,840	1,407
Installment | Non-Classified
Outstanding Loans [Line Items]
Total loans	3,748	1,306
Installment | Classified
Outstanding Loans [Line Items]
Total loans	92	101
Consumer
Outstanding Loans [Line Items]
Total loans	25,947	14,446
Consumer | Non-Classified
Outstanding Loans [Line Items]
Total loans	25,947	14,446
Consumer | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Secured credit card
Outstanding Loans [Line Items]
Total loans	8,028	7,840
Secured credit card | Non-Classified
Outstanding Loans [Line Items]
Total loans	5,808	5,601
Secured credit card | Classified
Outstanding Loans [Line Items]
Total loans	$ 2,220	$ 2,239

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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No definition available.

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