Securities - Schedule of Amortized Cost, Fair Value, and the Corresponding Amounts of Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 56,282	$ 56,114
Gross Unrealized Gains	339	156
Gross Unrealized Losses	(72)	(934)
Fair Value	56,549	55,336
U.S. Government Sponsored Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	5,000	6,994
Gross Unrealized Gains	2
Gross Unrealized Losses	(1)	(88)
Fair Value	5,001	6,906
Mortgage-backed Securities, Residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	15,559	14,465
Gross Unrealized Gains	94
Gross Unrealized Losses	(12)	(336)
Fair Value	15,641	14,129
Collateralized Mortgage Obligations, Residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	35,723	34,655
Gross Unrealized Gains	243	156
Gross Unrealized Losses	(59)	(510)
Fair Value	$ 35,907	$ 34,301

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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Amount of unrealized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

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Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562

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