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Allowance for Loan Losses - Additional Information (Details) - USD ($)		3 Months Ended
	Mar. 30, 2020	Mar. 31, 2020	Mar. 31, 2019
Allowance For Loan Losses [Abstract]
Provision for loan losses		$ 1,067,000	$ 144,000
Increase in provision for loan losses		923,000
Outstanding loan balance		$ 92,900,000
Percentage of increase in outstanding loan		14.10%
Percentage of additional increase of ratio to total loan in allowance of credit loss		3.05%	2.75%
Allowance for credit losses increase decrease in nonaccrual loan	$ 1,200,000	$ 4,700,000	$ 3,400,000

X

- Definition

Allowance for credit losses increase decrease in nonaccrual loan.

+ References

No definition available.

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- Definition

Allowance for loan losses.

+ References

No definition available.

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- Definition

Percentage of additional increase of ratio to total loan in allowance of credit loss.

+ References

No definition available.

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- Definition

Percentage of increase in outstanding loan of allowance of credit loss.

+ References

No definition available.

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- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The increase (decrease) during the reporting period in outstanding loans including accrued interest.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
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-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

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