Fair Value Measurements, Measured on a Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Other Assets [Abstract]
Derivative instruments	$ 14,197	$ 16,599
Liabilities [Abstract]
Derivative instruments	(8,234)	(9,726)
Fair value assets and liabilities measured on non-recurring basis [Abstract]
Individually analyzed loans held for investment, estimated selling cost	322	50
Recurring [Member]
Assets [Abstract]
Equity securities	1,923	2,208
Available for sale securities [Abstract]
U.S. Agency securities	70,849	70,677
U.S. Treasury securities	151,710	148,570
Obligations of state and political subdivisions	111,538	110,300
Corporate obligations	9,352	9,383
Mortgage-backed securities in government sponsored entities	99,966	100,576
Other Assets [Abstract]
Derivative instruments	14,197	16,599
Liabilities [Abstract]
Derivative instruments	(8,234)	(9,726)
Recurring [Member] | Level I [Member]
Assets [Abstract]
Equity securities	1,923	2,208
Available for sale securities [Abstract]
U.S. Agency securities	0	0
U.S. Treasury securities	151,710	148,570
Obligations of state and political subdivisions	0	0
Corporate obligations	0	0
Mortgage-backed securities in government sponsored entities	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	70,849	70,677
U.S. Treasury securities	0	0
Obligations of state and political subdivisions	111,538	110,300
Corporate obligations	9,352	9,383
Mortgage-backed securities in government sponsored entities	99,966	100,576
Other Assets [Abstract]
Derivative instruments	14,197	16,599
Liabilities [Abstract]
Derivative instruments	(8,234)	(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
Other Assets [Abstract]
Derivative instruments	0	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	3,705	496
Other real estate owned	52	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	3,705	496
Other real estate owned	$ 52	$ 297