XML 49 R41.htm IDEA: XBRL DOCUMENT v3.25.3

Merchant Accounts Payable (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 20, 2024
Payables and Accruals [Line Items]
Merchant accounts payable	$ 57,829,000		$ 57,829,000		$ 68,967,000
Net interest expense	3,923,000	$ 3,328,000	10,338,000	$ 10,321,000
Merchant Interest Program
Payables and Accruals [Line Items]
Merchant accounts payable	$ 43,000,000.0		$ 43,000,000.0		$ 49,300,000
Average yield (percent)	4.17%	4.95%	4.15%	4.77%
Net interest expense	$ 500,000	$ 600,000	$ 1,400,000	$ 1,900,000
Spread on fixed rate (percent)						0.0450
Deferred payments due on demand (maximum per 7 days)	$ 250,000		$ 250,000

X

- Definition

Accounts Payable, Average Percentage Yield

+ References

No definition available.

+ Details

Name:	szl_AccountsPayableAveragePercentageYield
Namespace Prefix:	szl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Accounts Payable, Due Upon Demand, Threshold Per Seven Day Period

+ References

No definition available.

+ Details

Name:	szl_AccountsPayableDueUponDemandThresholdPerSevenDayPeriod
Namespace Prefix:	szl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Accounts Payable, Interest, Fixed Interest Rate

+ References

No definition available.

+ Details

Name:	szl_AccountsPayableInterestFixedInterestRate
Namespace Prefix:	szl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Payables and Accruals [Line Items]

+ References

No definition available.

+ Details

Name:	szl_PayablesAndAccrualsLineItems
Namespace Prefix:	szl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

+ Details

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of interest expense classified as nonoperating.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-4

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 55
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476153/220-40-55-14

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_InterestExpenseNonoperating
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	szl_PayableTypeAxis=szl_MerchantInterestProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: