Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a non-recurring basis - Non-recurring [Member] - Impaired Loans [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Commercial Real Estate [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Fair Value	$ 7,820	$ 1,094
Valuation Techniques	Sales comparison approach	Sales comparison approach
Unobservable Input	Adjustment for differences between the comparable sales	Adjustment for differences between the comparable sales
Commercial Real Estate [Member] | Sales comparison approach [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	10.00%	5.00%
Commercial Real Estate [Member] | Sales comparison approach [Member] | Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	0.00%	0.00%
Commercial Real Estate [Member] | Sales comparison approach [Member] | Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	20.00%	10.00%
Residential Real Estate Portfolio Segment [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Fair Value	$ 231
Valuation Techniques	Sales comparison approach
Unobservable Input	Adjustment for differences between the comparable sales
Residential Real Estate Portfolio Segment [Member] | Sales comparison approach [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	2.00%
Residential Real Estate Portfolio Segment [Member] | Sales comparison approach [Member] | Minimum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	0.00%
Residential Real Estate Portfolio Segment [Member] | Sales comparison approach [Member] | Maximum [Member]
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items]
Capitalization rate	7.00%