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Fair Value of Financial Instruments and Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	$ 387,392	$ 388,345
Loans held for Sale	6,607	4,743
Assets: Derivative financial instruments	687	522
Liabilities: Derivative financial instruments	122	25
Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	160,667	159,112
Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	54,514	53,035
Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	7,423	7,790
Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	155,622	156,076
Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,281	1,971
Assets: Derivative financial instruments
Liabilities: Derivative financial instruments
Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	385,111	386,374
Assets: Derivative financial instruments	687	522
Liabilities: Derivative financial instruments	122	25
Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Assets: Derivative financial instruments
Liabilities: Derivative financial instruments
Fair Value, Measurements, Recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for Sale	6,607	4,743
Assets: Derivative financial instruments	687	522
Liabilities: Derivative financial instruments	(122)	(25)
Fair Value, Measurements, Recurring [Member] | Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	160,667	159,112
Fair Value, Measurements, Recurring [Member] | Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	54,514	53,035
Fair Value, Measurements, Recurring [Member] | Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	155,622
Fair Value, Measurements, Recurring [Member] | Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	7,423	7,790
Fair Value, Measurements, Recurring [Member] | Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale		156,076
Fair Value, Measurements, Recurring [Member] | US Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	6,885	10,361
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for Sale
Assets: Derivative financial instruments
Liabilities: Derivative financial instruments
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 1 [Member] | US Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for Sale	6,607	4,743
Assets: Derivative financial instruments	687	522
Liabilities: Derivative financial instruments	(122)	(25)
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	160,667	159,112
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	54,514	53,035
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	155,622
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	7,423	7,790
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale		156,076
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | US Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	6,885	10,361
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans held for Sale
Assets: Derivative financial instruments
Liabilities: Derivative financial instruments
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | US Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,281	1,971
Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member] | Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,281	1,971
Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member] | Level 2 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | US Treasury Securities [Member] | Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale

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