XML 48 R40.htm IDEA: XBRL DOCUMENT v3.25.3

Other Receivables - Net Charge-Offs by Origination (Details) - Delinquency fees receivable, net - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs	$ (6,174)	$ (1,382)	$ (15,259)	$ (3,994)
Current period recoveries	$ 511	$ 108	1,046	$ 375
Current period net charge-offs			(14,213)
2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs			(8,763)
Current period recoveries			249
Current period net charge-offs			(8,514)
2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs			(6,473)
Current period recoveries			621
Current period net charge-offs			(5,852)
2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs			(1)
Current period recoveries			74
Current period net charge-offs			73
2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs			(22)
Current period recoveries			45
Current period net charge-offs			23
2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current period gross charge-offs			0
Current period recoveries			57
Current period net charge-offs			$ 57

X

- Definition

Allowance for Credit Loss, Receivable, Other, Current, Net Charge-Offs

+ References

No definition available.

+ Details

Name:	szl_AllowanceForCreditLossReceivableOtherCurrentNetChargeOffs
Namespace Prefix:	szl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Allowance for Credit Loss, Receivable, Other, Current, Recoveries

+ References

No definition available.

+ Details

Name:	szl_AllowanceForCreditLossReceivableOtherCurrentRecoveries
Namespace Prefix:	szl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Allowance for Credit Loss, Receivable, Other, Current, Write-off, Gross

+ References

No definition available.

+ Details

Name:	szl_AllowanceForCreditLossReceivableOtherCurrentWriteOffGross
Namespace Prefix:	szl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=szl_OtherReceivablesLatePaymentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	szl_OriginationYearAxis=szl_OriginationYearCurrentFiscalYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	szl_OriginationYearAxis=szl_OriginationYearOneYearPriorToCurrentFiscalYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	szl_OriginationYearAxis=szl_OriginationYearTwoYearsPriorToCurrentFiscalYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	szl_OriginationYearAxis=szl_OriginationYearThreeYearsPriorToCurrentFiscalYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	szl_OriginationYearAxis=szl_OriginationYearFourYearsPriorToCurrentFiscalYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: