Fair Value of Financial Instruments and Fair Value Measurements - Quantitative Information for Financial Instruments Measured at Fair Value (Details) $ in Thousands	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned	$ 847	$ 1,320
Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans	4,509	5,985
Level 3 \| Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans	4,509	5,985
Valuation, Market Approach \| Level 3 \| Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned	$ 847	$ 1,320
Valuation, Market Approach \| Level 3 \| Nonrecurring \| Minimum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0	0
Valuation, Market Approach \| Level 3 \| Nonrecurring \| Maximum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input	0.20	0.20
Real Estate Portfolio Segment \| Commercial Construction \| Valuation, Market Approach \| Level 3 \| Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans		$ 5,985
Real Estate Portfolio Segment \| Commercial Construction \| Valuation, Market Approach \| Level 3 \| Nonrecurring \| Minimum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans, Weighted Average Discount Range		0
Real Estate Portfolio Segment \| Commercial Construction \| Valuation, Market Approach \| Level 3 \| Nonrecurring \| Maximum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans, Weighted Average Discount Range		0.20
Real Estate Portfolio Segment \| Residential \| Valuation, Market Approach \| Level 3 \| Nonrecurring
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans	$ 4,509
Real Estate Portfolio Segment \| Residential \| Valuation, Market Approach \| Level 3 \| Nonrecurring \| Minimum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans, Weighted Average Discount Range	0.10
Real Estate Portfolio Segment \| Residential \| Valuation, Market Approach \| Level 3 \| Nonrecurring \| Maximum \| Measurement Input, Comparability Adjustment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Collateral Dependent Impaired Loans, Weighted Average Discount Range	0.50

Fair value portion of impaired loans.

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Value of input used to measure impaired loans.

+ References

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ 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 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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