CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net income	$ 59,248	$ 54,220
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	10,500	6,300
Depreciation, amortization and accretion, net	8,405	9,537
Deferred income tax provision	6,359	7,238
Stock-based compensation	4,032	3,242
Gain on property insurance proceeds		(2,202)
Other losses (gains)	23	(7)
Originations of loans held for sale	(4,048)	(8,624)
Proceeds from sales of loans held for sale	2,438	8,791
Net gains on investment securities	(37)
Change in assets and liabilities:
Net (increase) decrease in other assets	(18,704)	11,782
Net decrease in other liabilities	(31,499)	(23,637)
Net cash provided by operating activities	36,717	66,640
Available-for-sale securities:
Proceeds from maturities and principal repayments	62,537	81,385
Proceeds from calls and sales	36,835	10,000
Held-to-maturity securities:
Proceeds from maturities and principal repayments	70,468	62,525
Proceeds from calls	3,375	345
Other investments:
Proceeds from sales	415	1,234
Purchases	(7,117)	(12,618)
Loans:
Net decrease in loans and leases resulting from originations and principal repayments	120,825	41,387
Purchases of loans	(3,995)	(15,000)
Proceeds from bank-owned life insurance	694
Proceeds from property insurance		2,202
Purchases of premises, equipment and software	(8,100)	(4,861)
Other		104
Net cash provided by investing activities	275,937	166,703
Cash flows from financing activities
Net decrease in deposits	(106,400)	(663,176)
Dividends paid	(32,868)	(33,186)
Stock tendered for payment of withholding taxes	(3,997)	(2,612)
Common stock repurchased	(25,000)
Net cash used in financing activities	(168,265)	(698,974)
Net increase (decrease) in cash and cash equivalents	144,389	(465,631)
Cash and cash equivalents at beginning of period	1,170,190	1,739,897
Cash and cash equivalents at end of period	1,314,579	1,274,266
Supplemental disclosures
Interest paid	82,175	88,594
Income taxes paid, net of income tax refunds	707	1,755
Noncash investing and financing activities:
Transfers from loans and leases and other assets to other real estate owned		69
Operating lease right-of-use assets obtained in exchange for new lease obligations	1,132
Obligation to fund low-income housing partnerships	41,121	$ 8,223
Stock repurchase excise tax settled in subsequent period	$ 183