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Other Real Estate Owned and Repossessed Assets - Summary of Repossessed Assets Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other Real Estate And Other Assets Acquired In Foreclosure [Line Items]
Sales proceeds	$ (37)	$ (374)
Gross gains	5	29
Gross losses		(21)
Net gains (losses)	5	8
Impairment	(10)	(38)
Repossessed Assets [Member]
Other Real Estate And Other Assets Acquired In Foreclosure [Line Items]
Beginning balance	256	229
Transfers from loans	317	146
Sales proceeds	(153)	(83)
Gross gains		2
Gross losses	(166)	(92)
Net gains (losses)	(166)	(90)
Ending balance	$ 254	$ 202

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- Definition

Other real estate and other assets acquired in foreclosure.

+ References

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Other real estate gross gains.

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Other real estate gross losses.

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- Definition

Other real estate net income loss.

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Real estate owned, transfer to loan.

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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- Definition

Carrying amount as of the balance sheet date of assets other than real property that were received in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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