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Allowance for credit losses - Troubled debt restructuring according to their accruing status - Subnote (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable
Aggregated unpaid principal balance		$ 1,223,205
Mortgages
Financing Receivable
Aggregated unpaid principal balance		624,368
Mortgages | Guaranteed by us sponsored entities
Financing Receivable
Aggregated unpaid principal balance	$ 650,000	$ 625,000

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No definition available.

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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

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