Fair Value Measurement - Estimated Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial Assets:
Cash and Due From Banks	$ 61,526	$ 31,935
Bank-Owned Certificates of Deposit	2,895	2,654
Securities Available for Sale, at Fair Value	307,317	289,877
FHLB Stock, at Cost	11,017	7,824
Loans, Net	1,972,896	1,884,000
Accrued Interest Receivable	7,102	6,775
Interest Rate Swaps	3,254	284
Financial Liabilities:
Deposits	1,900,127	1,823,310
Notes Payable	12,500	13,000
FHLB Advances	207,500	136,500
Subordinated Debentures	24,759	24,733
Accrued Interest Payable	1,688	1,982
Interest Rate Swaps	6,787	902
Level 1
Financial Assets:
Cash and Due From Banks	61,526	31,935
Securities Available for Sale, at Fair Value		4,998
Level 2
Financial Assets:
Bank-Owned Certificates of Deposit	2,968	2,677
Securities Available for Sale, at Fair Value	307,317	284,879
FHLB Stock, at Cost	11,017	7,824
Loans, Net	1,989,365	1,891,987
Accrued Interest Receivable	7,102	6,775
Interest Rate Swaps	3,254	284
Financial Liabilities:
Deposits	1,912,436	1,821,915
Notes Payable	12,525	13,022
FHLB Advances	218,362	141,152
Subordinated Debentures	26,630	25,309
Accrued Interest Payable	1,688	1,982
Interest Rate Swaps	6,787	902
Estimated Fair Value
Financial Assets:
Cash and Due From Banks	61,526	31,935
Bank-Owned Certificates of Deposit	2,968	2,677
Securities Available for Sale, at Fair Value	307,317	289,877
FHLB Stock, at Cost	11,017	7,824
Loans, Net	1,989,365	1,891,987
Accrued Interest Receivable	7,102	6,775
Interest Rate Swaps	3,254	284
Financial Liabilities:
Deposits	1,912,436	1,821,915
Notes Payable	12,525	13,022
FHLB Advances	218,362	141,152
Subordinated Debentures	26,630	25,309
Accrued Interest Payable	1,688	1,982
Interest Rate Swaps	$ 6,787	$ 902