Allowance for Credit Losses - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Allowance for Credit Losses | ||||||||
| Allowance for credit losses | $ 110,271 | $ 88,893 | $ 110,271 | $ 88,893 | $ 113,477 | $ 87,415 | $ 90,192 | $ 94,455 |
| Provision expense (release) for credit losses | 750 | (311) | 5,050 | 10,539 | ||||
| Charge-offs, net | 6,400 | 1,000 | 14,100 | 16,100 | ||||
| Accrued interest receivable | 47,700 | 47,700 | $ 38,300 | |||||
| Vista Bancshares, Inc | ||||||||
| Allowance for Credit Losses | ||||||||
| Allowance for credit losses | 31,900 | 31,900 | ||||||
| Funded and unfunded loan commitments | ||||||||
| Allowance for Credit Losses | ||||||||
| Provision expense (release) for credit losses | 1,500 | $ 0 | 5,500 | 10,200 | ||||
| Funded loan commitments | ||||||||
| Allowance for Credit Losses | ||||||||
| Provision expense (release) for credit losses | 750 | 5,100 | 10,500 | |||||
| Unfunded loan commitment reserves | ||||||||
| Allowance for Credit Losses | ||||||||
| Provision expense (release) for credit losses | $ 750 | $ 400 | $ (300) | |||||