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Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
Equity securities at fair value	$ 2,851	$ 2,847
Securities available for sale (Note 2)	339,579	166,602
Loans to other financial institutions	51,048	20,644
Liabilities
Noninterest-bearing deposits	287,460	153,542
Interest-bearing deposits	867,142	423,473
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets
Cash and due from banks	59,558	19,690
Equity securities at fair value	1,379	1,961
Significant Other Observable Inputs (Level 2) [Member]
Assets
Securities available for sale (Note 2)	327,212	158,104
Federal Home Loan Bank and Federal Reserve Bank stock	6,458	3,567
Loans held for sale	3,134	856
Loans to other financial institutions	51,048	20,644
Accrued interest receivable	3,965	2,267
Liabilities
Noninterest-bearing deposits	287,460	153,542
Interest-bearing deposits	867,154	422,381
Federal funds purchased		4,800
Federal Home Loan Bank advances	33,243	5,241
Accrued interest payable	411	210
Significant Unobservable Inputs (Level 3) [Member]
Assets
Equity securities at fair value	1,472	886
Securities available for sale (Note 2)	12,367	8,498
Loans, net	793,270	399,091
Carrying Amount [Member]
Assets
Cash and due from banks	59,558	19,690
Equity securities at fair value	2,851	2,847
Securities available for sale (Note 2)	339,579	166,602
Federal Home Loan Bank and Federal Reserve Bank stock	6,458	3,567
Loans held for sale	3,095	831
Loans to other financial institutions	51,048	20,644
Loans, net	797,991	404,400
Accrued interest receivable	3,965	2,267
Liabilities
Noninterest-bearing deposits	287,460	153,542
Interest-bearing deposits	867,142	423,473
Federal funds purchased		4,800
Federal Home Loan Bank advances	33,198	5,233
Accrued interest payable	411	210
Estimated Fair Value [Member]
Assets
Cash and due from banks	59,558	19,690
Equity securities at fair value	2,851	2,847
Securities available for sale (Note 2)	339,579	166,602
Federal Home Loan Bank and Federal Reserve Bank stock	6,458	3,567
Loans held for sale	3,134	856
Loans to other financial institutions	51,048	20,644
Loans, net	793,270	399,091
Accrued interest receivable	3,965	2,267
Liabilities
Noninterest-bearing deposits	287,460	153,542
Interest-bearing deposits	867,154	422,381
Federal funds purchased		4,800
Federal Home Loan Bank advances	33,243	5,241
Accrued interest payable	$ 411	$ 210

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