Loans Receivable, Net - Summary of Loans Receivable (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|---|---|---|
| Summary of Loans Receivable | ||||||
| Loans receivable | $ 18,532,740 | $ 17,261,849 | ||||
| Allowance for credit losses | (226,799) | $ (210,400) | (206,041) | $ (200,955) | $ (198,779) | $ (192,757) |
| Loans receivable, net | 18,305,941 | 17,055,808 | ||||
| Net deferred origination fees included in loans receivable | (31,169) | (29,187) | ||||
| Net purchase accounting discounts included in loans receivable | (38,344) | (34,361) | ||||
| Accrued interest receivable on loans | 84,139 | 73,935 | ||||
| Residential real estate | ||||||
| Summary of Loans Receivable | ||||||
| Loans receivable | 1,931,554 | 1,858,929 | ||||
| Allowance for credit losses | (27,915) | (26,595) | (25,181) | (24,653) | (24,166) | (22,325) |
| Commercial real estate | ||||||
| Summary of Loans Receivable | ||||||
| Loans receivable | 11,935,109 | 10,963,713 | ||||
| Allowance for credit losses | (152,189) | (140,369) | (138,545) | (136,346) | (135,153) | (130,924) |
| Other commercial | ||||||
| Summary of Loans Receivable | ||||||
| Loans receivable | 3,303,889 | 3,119,535 | ||||
| Allowance for credit losses | (28,316) | (25,642) | (24,400) | (22,219) | (22,094) | (21,194) |
| Home equity | ||||||
| Summary of Loans Receivable | ||||||
| Loans receivable | 975,429 | 930,994 | ||||
| Allowance for credit losses | (11,701) | (11,348) | (11,402) | (11,261) | (10,999) | (11,766) |
| Other consumer | ||||||
| Summary of Loans Receivable | ||||||
| Loans receivable | 386,759 | 388,678 | ||||
| Allowance for credit losses | $ (6,678) | $ (6,446) | $ (6,513) | $ (6,476) | $ (6,367) | $ (6,548) |