Loans - Aging of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Total	$ 5,748,360	$ 4,133,267
Total Past Due
Financing Receivable, Past Due [Line Items]
Total	46,132	23,779
30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	21,067	9,160
60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	6,583	5,189
Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	18,482	9,430
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	5,702,228	4,109,488
Commercial and Industrial Loans
Financing Receivable, Past Due [Line Items]
Total	734,551	591,785
Commercial and Industrial Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	7,284	4,962
Commercial and Industrial Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	488	531
Commercial and Industrial Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	865	36
Commercial and Industrial Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	5,931	4,395
Commercial and Industrial Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	727,267	586,823
Commercial Real Estate Loans
Financing Receivable, Past Due [Line Items]
Total	3,096,728	2,224,872
Commercial Real Estate Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	9,072	2,587
Commercial Real Estate Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	2,278	546
Commercial Real Estate Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	514	673
Commercial Real Estate Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	6,280	1,368
Commercial Real Estate Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	3,087,656	2,222,285
Agricultural Loans
Financing Receivable, Past Due [Line Items]
Total	461,420	431,037
Agricultural Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	2,422	669
Agricultural Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,395	241
Agricultural Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	314	0
Agricultural Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	713	428
Agricultural Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	458,998	430,368
Leases
Financing Receivable, Past Due [Line Items]
Total	82,995	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	82,995	79,253
Home Equity Loans
Financing Receivable, Past Due [Line Items]
Total	434,437	344,808
Home Equity Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	3,943	3,146
Home Equity Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	2,537	1,515
Home Equity Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	217	544
Home Equity Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	1,189	1,087
Home Equity Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	430,494	341,662
Consumer Loans
Financing Receivable, Past Due [Line Items]
Total	112,770	81,396
Consumer Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	585	442
Consumer Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	528	185
Consumer Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	32	194
Consumer Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	25	63
Consumer Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	112,185	80,954
Credit Cards
Financing Receivable, Past Due [Line Items]
Total	27,116	22,668
Credit Cards \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	415	550
Credit Cards \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	204	398
Credit Cards \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	85	98
Credit Cards \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	126	54
Credit Cards \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	26,701	22,118
Residential Mortgage Loans
Financing Receivable, Past Due [Line Items]
Total	798,343	357,448
Residential Mortgage Loans \| Total Past Due
Financing Receivable, Past Due [Line Items]
Total	22,411	11,423
Residential Mortgage Loans \| 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	13,637	5,744
Residential Mortgage Loans \| 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	4,556	3,644
Residential Mortgage Loans \| Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	4,218	2,035
Residential Mortgage Loans \| Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total	$ 775,932	$ 346,025