Loans, Allowance for Credit Losses - Loans, and Credit Quality - Schedule of Activity in ACL - Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
ACL-Loans
Beginning balance	$ 66,322	$ 63,610	$ 63,610
Provision for credit losses	1,500	750	3,750
Charge-offs	(388)	(216)	(1,493)
Recoveries	46	203	455
Net (charge-offs) recoveries	(342)	(13)	(1,038)
Ending balance	$ 67,480	64,347	$ 66,322
As % of ACL-Loans	100.00%		100.00%
Residential first mortgage
ACL-Loans
Charge-offs	$ (13)		$ 0
Residential junior mortgage
ACL-Loans
Charge-offs	(2)		0
Commercial & industrial
ACL-Loans
Charge-offs	(47)		(918)
Owner-occupied CRE
ACL-Loans
Charge-offs	(189)		(120)
Agricultural
ACL-Loans
Charge-offs	(65)		0
CRE investment
ACL-Loans
Charge-offs	0		0
Construction & land development
ACL-Loans
Charge-offs	0		0
Residential construction
ACL-Loans
Charge-offs	0		0
Retail & other
ACL-Loans
Beginning balance	931	1,207	1,207
Provision for credit losses	(341)		61
Charge-offs	(72)		(455)
Recoveries	21		118
Net (charge-offs) recoveries	(51)		(337)
Ending balance	$ 539		$ 931
As % of ACL-Loans	1.00%		2.00%
Commercial \| Commercial & industrial
ACL-Loans
Beginning balance	$ 16,147	15,225	$ 15,225
Provision for credit losses	1,468		1,789
Charge-offs	(47)		(918)
Recoveries	7		51
Net (charge-offs) recoveries	(40)		(867)
Ending balance	$ 17,575		$ 16,147
As % of ACL-Loans	26.00%		24.00%
Commercial \| Owner-occupied CRE
ACL-Loans
Beginning balance	$ 5,362	9,082	$ 9,082
Provision for credit losses	168		(3,844)
Charge-offs	(189)		(120)
Recoveries	17		244
Net (charge-offs) recoveries	(172)		124
Ending balance	$ 5,358		$ 5,362
As % of ACL-Loans	8.00%		8.00%
Commercial \| Agricultural
ACL-Loans
Beginning balance	$ 9,957	12,629	$ 12,629
Provision for credit losses	88		(2,672)
Charge-offs	(65)		0
Recoveries	0		0
Net (charge-offs) recoveries	(65)		0
Ending balance	$ 9,980		$ 9,957
As % of ACL-Loans	15.00%		15.00%
Commercial real estate \| CRE investment
ACL-Loans
Beginning balance	$ 14,616	12,693	$ 12,693
Provision for credit losses	51		1,923
Charge-offs	0		0
Recoveries	0		0
Net (charge-offs) recoveries	0		0
Ending balance	$ 14,667		$ 14,616
As % of ACL-Loans	22.00%		22.00%
Commercial real estate \| Construction & land development
ACL-Loans
Beginning balance	$ 2,658	2,440	$ 2,440
Provision for credit losses	308		218
Charge-offs	0		0
Recoveries	0		0
Net (charge-offs) recoveries	0		0
Ending balance	$ 2,966		$ 2,658
As % of ACL-Loans	4.00%		4.00%
Residential \| Residential first mortgage
ACL-Loans
Beginning balance	$ 12,590	7,320	$ 7,320
Provision for credit losses	(164)		5,237
Charge-offs	(13)		0
Recoveries	0		33
Net (charge-offs) recoveries	(13)		33
Ending balance	$ 12,413		$ 12,590
As % of ACL-Loans	18.00%		19.00%
Residential \| Residential junior mortgage
ACL-Loans
Beginning balance	$ 2,827	2,098	$ 2,098
Provision for credit losses	(7)		720
Charge-offs	(2)		0
Recoveries	1		9
Net (charge-offs) recoveries	(1)		9
Ending balance	$ 2,819		$ 2,827
As % of ACL-Loans	4.00%		4.00%
Residential \| Residential construction
ACL-Loans
Beginning balance	$ 1,234	$ 916	$ 916
Provision for credit losses	(71)		318
Charge-offs	0		0
Recoveries	0		0
Net (charge-offs) recoveries	0		0
Ending balance	$ 1,163		$ 1,234
As % of ACL-Loans	2.00%		2.00%

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Section 50
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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