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Financial Instruments with Off-Balance Sheet Risk - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
FinancialInstrumentsWithOffbalanceSheetRiskDetailsNarrativesAbstract
Mortgage loans on real estate, write-down or reserve, amount	$ 79	$ 45

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- References

No definition available.

+ Details

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- Definition

Amount of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, written down.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 7))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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