Fair Value Measurements, Estimated Fair Values and Related Carrying or Notional Amounts (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets [Abstract]
Cash and cash equivalents	$ 158,303	$ 187,922
Securities available-for-sale, at fair value	238,023	234,321
Restricted securities	1,389	1,034
Loans held for sale	2,010	3,287
Loans, net of allowances for loan losses	845,714	833,661
Derivatives [Abstract]
Bank owned life insurance	28,370	28,168
Accrued interest receivable	3,230	3,339
Liabilities [Abstract]
Deposits	1,178,889	1,177,099
Overnight repurchase agreements	3,528	4,536
Federal Reserve Bank borrowings		480
Long term borrowings	29,440	29,407
Derivative [Abstract]
Accrued interest payable	392	693
Interest Rate Lock [Member]
Derivatives [Abstract]
Derivatives assets	76	43
Interest Rate Swap on Loans [Member]
Derivatives [Abstract]
Derivatives assets	377	181
Derivative [Abstract]
Derivative liabilities	377	181
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Cash and cash equivalents	158,303	187,922
Securities available-for-sale, at fair value	0	0
Restricted securities	0	0
Loans held for sale	0	0
Loans, net of allowances for loan losses	0	0
Derivatives [Abstract]
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Liabilities [Abstract]
Deposits	0	0
Overnight repurchase agreements	0	0
Federal Reserve Bank borrowings		0
Long term borrowings	0	0
Derivative [Abstract]
Accrued interest payable	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Lock [Member]
Derivatives [Abstract]
Derivatives assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Interest Rate Swap on Loans [Member]
Derivatives [Abstract]
Derivatives assets	0	0
Derivative [Abstract]
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale, at fair value	238,023	234,321
Restricted securities	1,389	1,034
Loans held for sale	2,010	3,287
Loans, net of allowances for loan losses	0	0
Derivatives [Abstract]
Bank owned life insurance	28,370	28,168
Accrued interest receivable	3,230	3,339
Liabilities [Abstract]
Deposits	1,181,358	1,179,631
Overnight repurchase agreements	3,528	4,536
Federal Reserve Bank borrowings		480
Long term borrowings	29,088	29,657
Derivative [Abstract]
Accrued interest payable	392	693
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Lock [Member]
Derivatives [Abstract]
Derivatives assets	76	43
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swap on Loans [Member]
Derivatives [Abstract]
Derivatives assets	377	181
Derivative [Abstract]
Derivative liabilities	377	181
Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale, at fair value	0	0
Restricted securities	0	0
Loans held for sale	0	0
Loans, net of allowances for loan losses	835,035	834,693
Derivatives [Abstract]
Bank owned life insurance	0	0
Accrued interest receivable	0	0
Liabilities [Abstract]
Deposits	0	0
Overnight repurchase agreements	0	0
Federal Reserve Bank borrowings		0
Long term borrowings	0	0
Derivative [Abstract]
Accrued interest payable	0	0
Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Lock [Member]
Derivatives [Abstract]
Derivatives assets	0	0
Significant Unobservable Inputs (Level 3) [Member] | Interest Rate Swap on Loans [Member]
Derivatives [Abstract]
Derivatives assets	0	0
Derivative [Abstract]
Derivative liabilities	$ 0	$ 0