Disclosures about Fair Value of Assets and Liabilities, Estimated Fair Values of Financial Instruments Reported at Amortized Cost Segregated by Level of Valuation Inputs (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and due from banks	$ 195,359	$ 153,901
Federal funds sold	9,493
Interest-bearing time deposits in other banks	3,237	16,412
Loans, net of allowance	1,018,085	826,974
Loans held for sale	464	324
Nonmarketable equity securities	1,202	1,172
Interest receivable	4,259	4,365
Financial Liabilities [Abstract]
Deposits	1,217,471	905,514
Interest payable	117	286
Fair Value [Member]
Financial Assets [Abstract]
Cash and due from banks	195,359	153,901
Federal funds sold	9,493
Interest-bearing time deposits in other banks	3,237	16,412
Loans, net of allowance	1,017,958	826,581
Loans held for sale	464	324
Nonmarketable equity securities	1,202	1,172
Interest receivable	4,259	4,365
Financial Liabilities [Abstract]
Deposits	1,217,094	904,928
Interest payable	117	286
Fair Value [Member] | Level 1 [Member]
Financial Assets [Abstract]
Cash and due from banks	195,359	153,901
Federal funds sold	9,493
Interest-bearing time deposits in other banks	0	0
Loans, net of allowance	0	0
Loans held for sale	0	0
Nonmarketable equity securities	0	0
Interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Interest payable	0	0
Fair Value [Member] | Level 2 [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Federal funds sold	0
Interest-bearing time deposits in other banks	3,237	16,412
Loans, net of allowance	1,011,048	815,223
Loans held for sale	464	324
Nonmarketable equity securities	1,202	1,172
Interest receivable	4,259	4,365
Financial Liabilities [Abstract]
Deposits	1,217,094	904,928
Interest payable	117	286
Fair Value [Member] | Level 3 [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Federal funds sold	0
Interest-bearing time deposits in other banks	0	0
Loans, net of allowance	6,910	11,358
Loans held for sale	0	0
Nonmarketable equity securities	0	0
Interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Interest payable	$ 0	$ 0