Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a recurring basis - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	$ 412,034	$ 435,284
Derivatives	1,159	798
Assets: Available-for-sale, Fair Value	424,653	436,082
Federal Agency Obligations [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	44,955	56,022
Residential Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	185,204	181,891
Commercial Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	3,874	4,054
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	139,185	131,128
Corporate Bonds And Notes [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	25,813	29,693
Asset-backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	9,691	12,050
Certificates of Deposit [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	322	625
Equity Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	11,460	11,728
Other Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	2,990	3,422
Trust Preferred Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value		4,671
Fair Value, Inputs, Level 1 [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	2,990	15,150
Derivatives
Assets: Available-for-sale, Fair Value	14,450	15,150
Fair Value, Inputs, Level 1 [Member] | Federal Agency Obligations [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Residential Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Commercial Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Corporate Bonds And Notes [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Certificate Of Deposit [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	11,460	11,728
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	2,990	3,422
Fair Value, Inputs, Level 1 [Member] | Trust Preferred Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	399,667	410,502
Derivatives	1,159	798
Assets: Available-for-sale, Fair Value	400,826	411,300
Fair Value, Inputs, Level 2 [Member] | Federal Agency Obligations [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	44,955	56,022
Fair Value, Inputs, Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	185,204	181,891
Fair Value, Inputs, Level 2 [Member] | Commercial Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	3,874	4,054
Fair Value, Inputs, Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	129,808	121,496
Fair Value, Inputs, Level 2 [Member] | Corporate Bonds And Notes [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	25,813	29,693
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	9,691	12,050
Fair Value, Inputs, Level 2 [Member] | Certificate Of Deposit [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	322	625
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member] | Trust Preferred Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value		4,671
Fair Value, Inputs, Level 3 [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	9,377	9,632
Derivatives
Assets: Available-for-sale, Fair Value	9,377	9,632
Fair Value, Inputs, Level 3 [Member] | Federal Agency Obligations [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Residential Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Commercial Mortgage Backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value	9,377	9,632
Fair Value, Inputs, Level 3 [Member] | Corporate Bonds And Notes [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Certificate Of Deposit [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Trust Preferred Securities [Member]
Available-for-sale:
Investment securities: Available-for-sale, Fair Value