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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	Sep. 30, 2019	Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	$ 369,317	$ 388,345
Loans held for Sale	15,049	4,743
Municipal Obligations, Tax Exempt [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	152,678	159,112
Municipal Obligations, Taxable [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	49,097	53,035
Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	3,343	7,790
Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	157,772	156,076
Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,314	1,971
Loans held for Sale
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	367,003	386,374
Loans held for Sale	15,049	4,743
Assets: Derivative financial instruments	858	522
Liabilities: Derivative financial instruments	(20)	(25)
Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Loans held 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	15,049	4,743
Assets: Derivative financial instruments	858	522
Liabilities: Derivative financial instruments	(20)	(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	152,678	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	49,097	53,035
Fair Value, Measurements, Recurring [Member] | Agency Mortgage-backed Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	157,772
Fair Value, Measurements, Recurring [Member] | Certificates of Deposit [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	3,343	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] | U.S. Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	4,113	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] | 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] | 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] | U.S. 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	15,049	4,743
Assets: Derivative financial instruments	858	522
Liabilities: Derivative financial instruments	(20)	(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	152,678	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	49,097	53,035
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	157,772
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	3,343	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] | U.S. Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	4,113	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] | 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] | 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] | U.S. Federal Agency Obligations [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale
Fair Value, Measurements, Recurring [Member] | U.S. Treasury Securities [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,314	1,971
Fair Value, Measurements, Recurring [Member] | U.S. Treasury Securities [Member] | Level 1 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale	2,314	1,971
Fair Value, Measurements, Recurring [Member] | U.S. 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] | U.S. Treasury Securities [Member] | Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Investment securities available for sale

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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).

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