Fair Value Measurements, Measured on a Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Other Assets [Abstract]
Derivative instruments	$ 18,144	$ 16,599
Liabilities [Abstract]
Derivative instruments	(10,694)	(9,726)
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment, estimated selling cost	393	50
Recurring [Member]
Assets [Abstract]
Equity securities	1,858	2,208
Available for sale securities [Abstract]
U.S. Agency securities	63,647	70,677
U.S. Treasury securities	147,431	148,570
Obligations of state and political subdivisions	96,022	110,300
Corporate obligations	12,120	9,383
Mortgage-backed securities in government sponsored entities	98,587	100,576
Loans held for sale	14,155
Other Assets [Abstract]
Derivative instruments	18,144	16,599
Liabilities [Abstract]
Derivative instruments	(10,694)	(9,726)
Recurring [Member] | Level I [Member]
Assets [Abstract]
Equity securities	1,858	2,208
Available for sale securities [Abstract]
U.S. Agency securities	0	0
U.S. Treasury securities	147,431	148,570
Obligations of state and political subdivisions	0	0
Corporate obligations	0	0
Mortgage-backed securities in government sponsored entities	0	0
Loans held for sale	0	0
Other Assets [Abstract]
Derivative instruments	0	0
Liabilities [Abstract]
Derivative instruments	0	0
Recurring [Member] | Level II [Member]
Assets [Abstract]
Equity securities	0	0
Available for sale securities [Abstract]
U.S. Agency securities	63,647	70,677
U.S. Treasury securities	0	0
Obligations of state and political subdivisions	96,022	110,300
Corporate obligations	12,120	9,383
Mortgage-backed securities in government sponsored entities	98,587	100,576
Loans held for sale	14,155	0
Other Assets [Abstract]
Derivative instruments	17,707	16,599
Liabilities [Abstract]
Derivative instruments	(10,694)	(9,726)
Recurring [Member] | Level III [Member]
Assets [Abstract]
Equity securities	0	0
Available for sale securities [Abstract]
U.S. Agency securities	0	0
U.S. Treasury securities	0	0
Obligations of state and political subdivisions	0	0
Corporate obligations	0	0
Mortgage-backed securities in government sponsored entities	0	0
Loans held for sale	0	725
Other Assets [Abstract]
Derivative instruments	437	0
Liabilities [Abstract]
Derivative instruments	0	0
Nonrecurring [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment	3,980	496
Other real estate owned	97	297
Nonrecurring [Member] | Level I [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment	0	0
Other real estate owned	0	0
Nonrecurring [Member] | Level II [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment	0	0
Other real estate owned	0	0
Nonrecurring [Member] | Level III [Member]
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment	3,980	496
Other real estate owned	$ 97	$ 297