Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue from Customers [Abstract]
Revenue from customers	$ 1,742	$ 1,634	$ 5,197	$ 4,819
Service Charges [Member]
Revenue from Customers [Abstract]
Revenue from customers	1,225	1,181	3,498	3,455
Overdraft Fees [Member]
Revenue from Customers [Abstract]
Revenue from customers	405	395	1,132	1,143
Statement Fees [Member]
Revenue from Customers [Abstract]
Revenue from customers	52	50	153	155
Interchange Revenue [Member]
Revenue from Customers [Abstract]
Revenue from customers	589	566	1,724	1,671
ATM Income [Member]
Revenue from Customers [Abstract]
Revenue from customers	108	104	300	301
Other Service Charges [Member]
Revenue from Customers [Abstract]
Revenue from customers	71	66	189	185
Trust [Member]
Revenue from Customers [Abstract]
Revenue from customers	148	147	589	548
Brokerage and Insurance [Member]
Revenue from Customers [Abstract]
Revenue from customers	289	222	843	571
Other [Member]
Revenue from Customers [Abstract]
Revenue from customers	$ 80	$ 84	$ 267	$ 245
Revenue [Member] | Product Concentration Risk [Member] | Products and Services Not within the Scope of ASC 606 [Member]
Concentration Risk [Abstract]
Concentration risk percentage	90.40%	90.00%	90.10%	90.00%