Loans, Past Due (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Recorded investment of past due [Abstract]
Total past due	$ 6,658	$ 4,637
Current	1,727,861	1,433,094
PCI	3,434	3,802
Total financing receivables	1,737,953	1,441,533
90 Days or greater and accruing	93	46
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	3,949	3,624
Current and non-accrual	3,169	3,992
PCI Loans considered non accrual	0	0
Financing receivable nonaccrual status	7,118	7,616
Financing receivables on accrual status [Abstract]
Total past due and still accruing	2,709	1,013
Current and still accruing	1,724,692	1,429,102
PCI Loans still accruing	3,434	3,802
Total financing receivables and still accruing	$ 1,730,835	1,433,917
Minimum [Member]
Financing receivables on nonaccrual status [Abstract]
Period of past due after which loans considered as non accrual	90 days
30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	$ 2,319	671
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	41	0
Financing receivables on accrual status [Abstract]
Total past due and still accruing	2,278	671
60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	471	296
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	133	0
Financing receivables on accrual status [Abstract]
Total past due and still accruing	338	296
90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	3,868	3,670
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	3,775	3,624
Financing receivables on accrual status [Abstract]
Total past due and still accruing	93	46
Real Estate Loans [Member] | Mortgages [Member]
Recorded investment of past due [Abstract]
Total past due	1,801	599
Current	153,932	150,329
PCI	9	14
Total financing receivables	155,742	150,942
90 Days or greater and accruing	21	13
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	549	595
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,495	220
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	77	170
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	229	209
Real Estate Loans [Member] | Home Equity [Member]
Recorded investment of past due [Abstract]
Total past due	100	136
Current	47,831	50,019
PCI	0	0
Total financing receivables	47,931	50,155
90 Days or greater and accruing	0	33
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	29	0
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	71	103
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	29	33
Real Estate Loans [Member] | Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	2,914	2,211
Current	852,498	682,982
PCI	1,902	2,145
Total financing receivables	857,314	687,338
90 Days or greater and accruing	72	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	2,833	2,945
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	548	127
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	185	115
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	2,181	1,969
Real Estate Loans [Member] | Agricultural [Member]
Recorded investment of past due [Abstract]
Total past due	1,367	1,398
Current	314,871	308,970
PCI	1,523	1,643
Total financing receivables	317,761	312,011
90 Days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	3,295	3,133
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	31
Real Estate Loans [Member] | Agricultural [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Agricultural [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,367	1,367
Real Estate Loans [Member] | Construction [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Current	79,154	55,036
PCI	0	0
Total financing receivables	79,154	55,036
90 Days or greater and accruing	0	0
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Construction [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Real Estate Loans [Member] | Construction [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Consumer [Member]
Recorded investment of past due [Abstract]
Total past due	108	164
Current	124,267	25,694
PCI	0	0
Total financing receivables	124,375	25,858
90 Days or greater and accruing	0	0
Consumer [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	98	163
Consumer [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	10	1
Consumer [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Other Commercial Loans [Member]
Recorded investment of past due [Abstract]
Total past due	169	119
Current	66,072	74,466
PCI	0	0
Total financing receivables	66,241	74,585
90 Days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	94	140
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	107	17
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	10
Other Commercial Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	62	92
Other Agricultural Loans [Member]
Recorded investment of past due [Abstract]
Total past due	199	10
Current	29,310	39,842
PCI	0	0
Total financing receivables	29,509	39,852
90 Days or greater and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Financing receivable nonaccrual status	318	803
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	10
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	199	0
Other Agricultural Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Current	59,926	45,756
PCI	0	0
Total financing receivables	59,926	45,756
90 Days or greater and accruing	0	0
State and Political Subdivision Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
State and Political Subdivision Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	$ 0	$ 0