Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 10,599	$ 7,406
Other assets	3,423	3,390
Total Assets	1,293,660	1,112,448
Liabilities and Shareholders' Equity
Subordinated debt	9,883	9,859
Shareholders' equity	124,752	113,655	$ 103,459	$ 97,514
Total Liabilities and Shareholders' Equity	1,293,660	1,112,448
Parent Company [Member]
Assets
Cash and due from banks	1,968	2,273
Investment in bank subsidiary	132,407	121,027
Other assets	273	252
Total Assets	134,648	123,552
Liabilities and Shareholders' Equity
Subordinated debt	9,883	9,859
Other liabilities	13	38
Shareholders' equity	124,752	113,655
Total Liabilities and Shareholders' Equity	$ 134,648	$ 123,552