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Loans - Aging of Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Total	$ 5,654,944	$ 4,133,267
Total Past Due
Financing Receivable, Past Due [Line Items]
Total	37,494	23,779
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	19,143	9,160
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,932	5,189
Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	16,419	9,430
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	5,617,450	4,109,488
Commercial and Industrial Loans
Financing Receivable, Past Due [Line Items]
Total	732,328	591,785
Commercial and Industrial Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	7,298	4,962
Commercial and Industrial Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	858	531
Commercial and Industrial Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,051	36
Commercial and Industrial Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	5,389	4,395
Commercial and Industrial Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	725,030	586,823
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Total	3,055,074	2,224,872
Commercial Real Estate Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	9,043	2,587
Commercial Real Estate Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	3,975	546
Commercial Real Estate Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	531	673
Commercial Real Estate Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	4,537	1,368
Commercial Real Estate Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	3,046,031	2,222,285
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Total	455,678	431,037
Agricultural Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	786	669
Agricultural Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	0	241
Agricultural Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Agricultural Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	786	428
Agricultural Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	454,892	430,368
Leases
Financing Receivable, Past Due [Line Items]
Total	79,745	79,253
Leases | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Leases | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Leases | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Leases | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Leases | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	79,745	79,253
Home Equity Loans
Financing Receivable, Past Due [Line Items]
Total	406,280	344,808
Home Equity Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	3,687	3,146
Home Equity Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	2,426	1,515
Home Equity Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	166	544
Home Equity Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,095	1,087
Home Equity Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	402,593	341,662
Consumer Loans
Financing Receivable, Past Due [Line Items]
Total	110,174	81,396
Consumer Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	881	442
Consumer Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	841	185
Consumer Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	8	194
Consumer Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	32	63
Consumer Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	109,293	80,954
Credit Cards
Financing Receivable, Past Due [Line Items]
Total	27,443	22,668
Credit Cards | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	446	550
Credit Cards | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	90	398
Credit Cards | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	66	98
Credit Cards | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	290	54
Credit Cards | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	26,997	22,118
Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total	788,222	357,448
Residential Mortgage Loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	15,353	11,423
Residential Mortgage Loans | 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	10,953	5,744
Residential Mortgage Loans | 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	110	3,644
Residential Mortgage Loans | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	4,290	2,035
Residential Mortgage Loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	$ 772,869	$ 346,025

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
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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 14
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