Loans, Past Due (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Recorded investment of past due [Abstract]
Total past due	$ 2,246,396	$ 1,724,999
Current	2,231,910	1,714,673
PCI		3,306
Total financing receivables	2,246,396	1,724,999
90 days or greater past due and accruing	8	7
Financing receivables on nonaccrual status [Abstract]
Current and non-accrual	4,621	3,370
PCI Loans considered non accrual		0
Nonaccrual With a related allowance	4,650	6,938
Nonaccrual Without a related allowance	8,489
90 days or greater past due and accruing	8	7
Total loans receivables	13,139	6,938
Total non-performing loans	13,147	6,945
Financing receivables on accrual status [Abstract]
Current and still accruing	2,227,289	1,711,303
PCI Loans still accruing		3,306
Total financing receivables and still accruing	$ 2,233,257	1,718,061
Minimum [Member]
Financing receivables on nonaccrual status [Abstract]
Period of past due after which loans considered as non accrual	90 days
Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	$ 14,486	7,020
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	8,518	3,568
Financing receivables on accrual status [Abstract]
Total past due and still accruing	5,968	3,452
30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	5,019	3,276
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	241	46
Financing receivables on accrual status [Abstract]
Total past due and still accruing	4,778	3,230
60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,280	291
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	98	76
Financing receivables on accrual status [Abstract]
Total past due and still accruing	1,182	215
90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	8,187	3,453
Financing receivables on nonaccrual status [Abstract]
Total past due and non-accrual	8,179	3,446
Financing receivables on accrual status [Abstract]
Total past due and still accruing	8	7
Home Equity [Member]
Recorded investment of past due [Abstract]
Total past due	49,429
Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	1,081,123
Construction [Member]
Recorded investment of past due [Abstract]
Total past due	175,320
Real Estate Loans [Member] | Mortgages [Member]
Recorded investment of past due [Abstract]
Current	303,499	161,843
PCI		9
Total financing receivables	306,952	162,569
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	318	562
Nonaccrual Without a related allowance	2,517
90 days or greater past due and accruing	0	0
Total loans receivables	2,835	562
Total non-performing loans	2,835	562
Real Estate Loans [Member] | Mortgages [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	3,453	717
Real Estate Loans [Member] | Mortgages [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	836	356
Real Estate Loans [Member] | Mortgages [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	282	132
Real Estate Loans [Member] | Mortgages [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	2,335	229
Real Estate Loans [Member] | Home Equity [Member]
Recorded investment of past due [Abstract]
Current	49,122	47,558
PCI		0
Total financing receivables	49,429	47,644
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	0	29
Nonaccrual Without a related allowance	121
90 days or greater past due and accruing	0	0
Total loans receivables	121	29
Total non-performing loans	121	29
Real Estate Loans [Member] | Home Equity [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	307	86
Real Estate Loans [Member] | Home Equity [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	130	48
Real Estate Loans [Member] | Home Equity [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	77	9
Real Estate Loans [Member] | Home Equity [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	100	29
Real Estate Loans [Member] | Commercial [Member]
Recorded investment of past due [Abstract]
Total past due	1,081,123	876,569
Current	1,077,809	871,745
PCI		1,856
Total financing receivables	1,081,123	876,569
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	260	2,778
Nonaccrual Without a related allowance	1,337
90 days or greater past due and accruing	0	0
Total loans receivables	1,597	2,778
Total non-performing loans	1,597	2,778
Real Estate Loans [Member] | Commercial [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	3,314	2,968
Real Estate Loans [Member] | Commercial [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,797	1,065
Real Estate Loans [Member] | Commercial [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	514	115
Real Estate Loans [Member] | Commercial [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,003	1,788
Real Estate Loans [Member] | Agricultural [Member]
Recorded investment of past due [Abstract]
Total past due	314,164	313,614
Current	312,498	310,805
PCI		1,441
Total financing receivables	314,164	313,614
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	182	3,222
Nonaccrual Without a related allowance	2,803
90 days or greater past due and accruing	0	0
Total loans receivables	2,985	3,222
Total non-performing loans	2,985	3,222
Real Estate Loans [Member] | Agricultural [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,666	1,368
Real Estate Loans [Member] | Agricultural [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	299	0
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	1,368
Real Estate Loans [Member] | Construction [Member]
Recorded investment of past due [Abstract]
Total past due	175,320	80,691
Current	172,286	80,691
PCI		0
Total financing receivables	175,320	80,691
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	2,357	0
Nonaccrual Without a related allowance	0
90 days or greater past due and accruing	0	0
Total loans receivables	2,357	0
Total non-performing loans	2,357	0
Real Estate Loans [Member] | Construction [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	3,034	0
Real Estate Loans [Member] | Construction [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	677	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	2,357	0
Consumer [Member]
Recorded investment of past due [Abstract]
Total past due	115,753	86,650
Current	113,957	86,496
PCI		0
Total financing receivables	115,753	86,650
90 days or greater past due and accruing	8	7
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	1,007	0
Nonaccrual Without a related allowance	10
90 days or greater past due and accruing	8	7
Total loans receivables	1,017	0
Total non-performing loans	1,025	7
Consumer [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	1,796	154
Consumer [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	647	147
Consumer [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	124	0
Consumer [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	1,025	7
Other Commercial Loans [Member]
Recorded investment of past due [Abstract]
Total past due	120,347	63,222
Current	119,655	61,495
PCI		0
Total financing receivables	120,347	63,222
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	526	62
Nonaccrual Without a related allowance	1,402
90 days or greater past due and accruing	0	0
Total loans receivables	1,928	62
Total non-performing loans	1,928	62
Other Commercial Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	692	1,727
Other Commercial Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	633	1,660
Other Commercial Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	59	35
Other Commercial Loans [Member] | 90 Days Or Greater [Member]
Recorded investment of past due [Abstract]
Total past due	0	32
Other Commercial Loans [Member] | Construction [Member]
Recorded investment of past due [Abstract]
Total past due	120,347
Other Agricultural Loans [Member]
Recorded investment of past due [Abstract]
Total past due	26,648	34,832
Current	26,424	34,832
PCI		0
Total financing receivables	26,648	34,832
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
Nonaccrual With a related allowance	0	285
Nonaccrual Without a related allowance	299
90 days or greater past due and accruing	0	0
Total loans receivables	299	285
Total non-performing loans	299	285
Other Agricultural Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	224	0
Other Agricultural Loans [Member] | 30 to 59 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	0	0
Other Agricultural Loans [Member] | 60 to 89 Days Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	224	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	56,660	59,208
Current	56,660	59,208
PCI		0
Total financing receivables	56,660	59,208
90 days or greater past due and accruing	0	0
Financing receivables on nonaccrual status [Abstract]
90 days or greater past due and accruing	0	0
State and Political Subdivision Loans [Member] | Total Past Due [Member]
Recorded investment of past due [Abstract]
Total past due	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