Income Taxes - Schedule of net deferred tax assets (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Valuation allowance	$ 0	$ 0
Deferred tax assets:
Allowance for loan losses	3,877,000	3,756,000
Deferred compensation	687,000	647,000
Interest rate swap	67,000	99,000
Other real estate owned	288,000	257,000
Securities available for sale	654,000	0
Property and equipment	0	49,000
Other	1,427,000	2,028,000
Total deferred tax assets	7,000,000	6,836,000
Deferred tax liabilities:
Deferred loan costs, net	526,000	317,000
Securities available for sale	0	965,000
Property and equipment	79,000	0
Total deferred tax liabilities	605,000	1,282,000
Net deferred tax assets	$ 6,395,000	$ 5,554,000