Allowance for Credit Losses (Details 2) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Changes in allowance for loan and lease losses
Balance, beginning of year	$ 3,172
Balance, end of year		$ 3,172
Cumulative Effect, Period of Adoption, Adjustment [Member]
Changes in allowance for loan and lease losses
Balance, beginning of year	777
Balance, end of year		777
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Changes in allowance for loan and lease losses
Balance, beginning of year	3,949
Balance, end of year		3,949
Unfunded Loan Commitment
Changes in allowance for loan and lease losses
Balance, beginning of year	3,172	3,075	$ 3,050
Provision (recovery of provision) on unfunded loan commitments	550	97	25
Balance, end of year	4,499	3,172	3,075
Unfunded Loan Commitment \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Changes in allowance for loan and lease losses
Balance, beginning of year	777	0	0
Balance, end of year		777	0
Unfunded Loan Commitment \| Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Changes in allowance for loan and lease losses
Balance, beginning of year	$ 3,949	3,075	3,050
Balance, end of year		$ 3,949	$ 3,075

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82919202-210446

+ Details

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- Definition

Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

+ Details

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- Details

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- Details

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