Amount of financing receivable past due.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Guarantees - Schedule of Past Due Financing Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020
Guarantor Obligations [Line Items]
90-Days Delinquencies			$ 6,286
Off-balance sheet
Guarantor Obligations [Line Items]
90-Days Delinquencies	$ 3,235
Net credit losses (recoveries)	$ 0	$ 0