Derivative Financial Instruments and Hedging Activities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Notional amount	$ 60,000,000	$ 60,000,000	$ 60,000,000	$ 60,000,000
Weighted average pay rate	1.26%	1.26%	1.26%	1.26%
Weighted average receive rate	2.33%	1.20%	1.76%	1.04%
Weighted average maturity	2 years 1 month 13 days	3 years 1 month 10 days	2 years 5 months 27 days	3 years 5 months 27 days
Unrealized (loss) gain relating to interest rate swaps	$ (7,000)	$ 59,000	$ 659,000	$ (182,000)