Segment Information - Segment Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Interest and Fees on Loans	$ 93,305	$ 61,140	$ 264,812	$ 178,196
Interest on Securities and Other Short-term Investments	14,894	13,626	46,246	36,616
Net Gains on Sales of Loans	1,189	704	3,401	2,424
Total Consolidated Revenue	126,526	88,454	360,750	263,034
Less:
Interest on Deposits	29,518	23,488	87,389	68,073
Interest on FHLB Advances and Other Borrowings	2,956	2,684	8,217	7,180
Provision for Credit Losses	700	625	17,200	2,150
Salaries and Employee Benefits	25,444	19,718	80,122	61,853
Reconciliation of Income before Income Taxes:
Other Non-interest Expense	24,256	16,408	71,877	48,685
Income before Income Taxes	43,754	25,644	96,255	75,417
Total Assets	8,401,248		8,401,248		$ 6,295,910
Wealth Management Fees
Segment Reporting Information [Line Items]
Non-interest income	4,288	3,580	12,289	10,729
Insurance Revenues
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	4,384
Other Revenues
Segment Reporting Information [Line Items]
Non-interest income	12,952	9,517	34,312	31,009
Operating segments | Core Banking
Segment Reporting Information [Line Items]
Interest and Fees on Loans	93,305	61,140	264,812	178,196
Interest on Securities and Other Short-term Investments	14,675	13,448	45,624	36,113
Net Gains on Sales of Loans	1,189	704	3,401	2,424
Less:
Interest on Deposits	29,518	23,488	87,389	68,073
Interest on FHLB Advances and Other Borrowings	944	905	2,689	2,654
Provision for Credit Losses	700	625	17,200	2,150
Salaries and Employee Benefits	23,367	17,901	73,517	53,472
Reconciliation of Income before Income Taxes:
Income before Income Taxes	43,421	27,467	100,639	40,638
Total Assets	8,374,812		8,374,812		6,340,396
Operating segments | Core Banking | Wealth Management Fees
Segment Reporting Information [Line Items]
Non-interest income	1	1	3	4
Operating segments | Core Banking | Insurance Revenues
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	0
Operating segments | Wealth Management Services
Segment Reporting Information [Line Items]
Interest and Fees on Loans	0	0	0	0
Interest on Securities and Other Short-term Investments	95	43	246	109
Net Gains on Sales of Loans	0	0	0	0
Less:
Interest on Deposits	0	0	0	0
Interest on FHLB Advances and Other Borrowings	0	0	0	0
Provision for Credit Losses	0	0	0	0
Salaries and Employee Benefits	1,915	1,815	5,760	5,225
Reconciliation of Income before Income Taxes:
Income before Income Taxes	1,829	1,321	4,739	3,959
Total Assets	17,186		17,186		13,544
Operating segments | Wealth Management Services | Wealth Management Fees
Segment Reporting Information [Line Items]
Non-interest income	4,287	3,579	12,286	10,725
Operating segments | Wealth Management Services | Insurance Revenues
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	1
Operating segments | Insurance
Segment Reporting Information [Line Items]
Interest and Fees on Loans	0	0	0	0
Interest on Securities and Other Short-term Investments	0	0	0	1
Net Gains on Sales of Loans	0	0	0	0
Less:
Interest on Deposits	0	0	0	0
Interest on FHLB Advances and Other Borrowings	0	0	0	0
Provision for Credit Losses	0	0	0	0
Salaries and Employee Benefits	0	0	0	3,151
Reconciliation of Income before Income Taxes:
Income before Income Taxes	0	0	0	37,434
Total Assets	0		0		0
Operating segments | Insurance | Wealth Management Fees
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	0
Operating segments | Insurance | Insurance Revenues
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	4,383
Other
Segment Reporting Information [Line Items]
Interest and Fees on Loans	0	0	0	0
Interest on Securities and Other Short-term Investments	124	135	376	393
Net Gains on Sales of Loans	0	0	0	0
Less:
Interest on Deposits	0	0	0	0
Interest on FHLB Advances and Other Borrowings	2,012	1,779	5,528	4,526
Provision for Credit Losses	0	0	0	0
Salaries and Employee Benefits	162	2	845	5
Reconciliation of Income before Income Taxes:
Income before Income Taxes	(1,496)	(3,144)	(9,123)	(6,614)
Total Assets	9,250		9,250		$ (58,030)
Other | Wealth Management Fees
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	0
Other | Insurance Revenues
Segment Reporting Information [Line Items]
Non-interest income	0	0	0	0
Elimination of Intercompany Revenues
Segment Reporting Information [Line Items]
Non-interest income	(102)	(113)	(310)	(324)
Reconciliation of Income before Income Taxes:
Other Non-interest Expense	$ (102)	$ (113)	$ (310)	$ (324)