Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a recurring basis - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Securities: Available-for-sale, Fair Value	$ 400,516	$ 353,290
Derivatives	164	88
Assets: Available-for-sale, Fair Value	400,680	353,378
Federal Agency Obligations [Member]
Assets
Securities: Available-for-sale, Fair Value	55,938	52,837
Residential mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value	133,164	72,497
Commercial mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value	4,130	4,209
Obligations of U.S. states and political subdivisions [Member]
Assets
Securities: Available-for-sale, Fair Value	144,976	150,605
Trust Preferred Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	4,627	5,666
Corporate Bonds And Notes [Member]
Assets
Securities: Available-for-sale, Fair Value	30,088	36,928
Asset-backed Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	12,633	14,583
Certificates of Deposit [Member]
Assets
Securities: Available-for-sale, Fair Value	627	983
Equity Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	630	568
Other Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	13,703	14,414
Fair Value, Inputs, Level 1 [Member]
Assets
Securities: Available-for-sale, Fair Value	14,333	14,982
Derivatives
Assets: Available-for-sale, Fair Value	14,333	14,982
Fair Value, Inputs, Level 1 [Member] | Federal Agency Obligations [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Residential mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Commercial mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. states and political subdivisions [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Trust Preferred Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Corporate Bonds And Notes [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	630	568
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	13,703	14,414
Fair Value, Inputs, Level 1 [Member] | Certificate Of Deposit [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member]
Assets
Securities: Available-for-sale, Fair Value	368,318	320,090
Derivatives	164	88
Assets: Available-for-sale, Fair Value	368,482	320,178
Fair Value, Inputs, Level 2 [Member] | Federal Agency Obligations [Member]
Assets
Securities: Available-for-sale, Fair Value	55,938	52,837
Fair Value, Inputs, Level 2 [Member] | Residential mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value	133,164	72,497
Fair Value, Inputs, Level 2 [Member] | Commercial mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value	4,130	4,209
Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. states and political subdivisions [Member]
Assets
Securities: Available-for-sale, Fair Value	127,111	132,387
Fair Value, Inputs, Level 2 [Member] | Trust Preferred Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	4,627	5,666
Fair Value, Inputs, Level 2 [Member] | Corporate Bonds And Notes [Member]
Assets
Securities: Available-for-sale, Fair Value	30,088	36,928
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Assets
Securities: Available-for-sale, Fair Value	12,633	14,583
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 2 [Member] | Certificate Of Deposit [Member]
Assets
Securities: Available-for-sale, Fair Value	627	983
Fair Value, Inputs, Level 3 [Member]
Assets
Securities: Available-for-sale, Fair Value	17,685	18,218
Derivatives
Assets: Available-for-sale, Fair Value	17,685	18,218
Fair Value, Inputs, Level 3 [Member] | Federal Agency Obligations [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Residential mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Commercial mortgage pass-through securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. states and political subdivisions [Member]
Assets
Securities: Available-for-sale, Fair Value	17,865	18,218
Fair Value, Inputs, Level 3 [Member] | Trust Preferred Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Corporate Bonds And Notes [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member]
Assets
Securities: Available-for-sale, Fair Value
Fair Value, Inputs, Level 3 [Member] | Certificate Of Deposit [Member]
Assets
Securities: Available-for-sale, Fair Value