Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net earnings	$ 71,952	$ 53,568
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	10,894	13,027
Amortization of net premiums on investment securities	4,524	5,068
Accretion of net purchased loan discounts and deferred loan fees	(16,475)	(21,181)
Amortization of intangible assets	6,348	7,160
Amortization of operating lease ROU assets	5,717	5,895
Provision for credit losses	9,800	9,300
Loss on sale of foreclosed assets	28	17
Provision for losses on foreclosed assets	44	265
Gain on sale of loans and leases	(7)	(211)
Loss on sale of premises and equipment	1	0
Unrealized gain on derivatives, foreign currencies, and credit-linked notes, net	(362)	(279)
LOCOM HFS adjustment	(3)	0
Earned stock compensation	5,636	5,495
Decrease in other assets	4,851	12,301
Decrease in accrued interest payable and other liabilities	(53,967)	(75,303)
Net cash provided by operating activities	48,981	15,122
Cash flows from investing activities:
Net decrease (increase) in loans and leases	175,029	(337,351)
Proceeds from sales of loans and leases	740	1,301
Proceeds from maturities and paydowns of securities AFS	130,567	97,893
Purchases of securities AFS	(343,368)	(148,541)
Proceeds from maturities and paydowns of securities HTM	452	310
Purchases of FHLB and FRB stock	(9,900)	(7,557)
Proceeds from sales of foreclosed assets	689	5,316
Purchases of premises and equipment	(3,380)	(1,525)
Proceeds from BOLI death benefit	583	0
Net decrease in equipment leased to others under operating leases	9,370	5,415
Net cash used in investing activities	(39,218)	(384,739)
Cash flows from financing activities:
Net decrease in noninterest-bearing deposits	(25,245)	(125,963)
Net (decrease) increase in interest-bearing deposits	(495,978)	127,245
Repayments of borrowings	(2,401)	(1,014)
Proceeds from borrowings	489,815	279,842
Common shares repurchased under Stock Repurchase Program	(32,280)	(38,931)
Common shares purchased under Dividend Reinvestment Plan	0	72
Restricted stock surrendered	(5,574)	(2,699)
Preferred stock dividends paid	(9,947)	(9,947)
Common stock dividends paid	(18,849)	(17,311)
Net cash (used in) provided by financing activities	(100,459)	211,294
Net decrease in cash, cash equivalents, and restricted cash	(90,696)	(158,323)
Cash, cash equivalents, and restricted cash, beginning of period	2,307,965	2,502,212
Cash, cash equivalents, and restricted cash, end of period	2,217,269	2,343,889
Supplemental disclosures of cash flow information:
Cash paid for interest	154,207	180,996
Cash received for income taxes	(342)	(256)
Loans transferred to foreclosed assets	1,700	1,354
Transfers from loans HFI to loans HFS	$ 72,061	$ 0