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Loans, net and allowance for loan losses - Loan Modifications and Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan	Dec. 31, 2021 USD ($)
Loans, net and allowance for loan losses
Number of loans | loan	0	0
Number of defaults on loans restructured	$ 0	$ 0
Loans receivable, related parties, considered as nonaccrual, past due or restructured or potential credit risk	$ 1,503	$ 2,740	$ 1,649

X

- Definition

Loans made to related parties which are considered nonaccrual, past due, restructured or a potential credit risk.

+ References

No definition available.

+ Details

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Balance Type:	debit
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- References

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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