CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 252,209	$ 185,015
Interest-bearing deposits in other banks	820,603	1,554,882
Available-for-sale, at fair value (amortized cost: $2,290,781 as of September 30, 2024 and $2,558,675 as of December 31, 2023)	2,055,959	2,255,336
Held-to-maturity, at amortized cost (fair value: $3,475,143 as of September 30, 2024 and $3,574,856 as of December 31, 2023)	3,853,697	4,041,449
Loans held for sale		190
Loans and leases	14,241,370	14,353,497
Less: allowance for credit losses	163,700	156,533
Net loans and leases	14,077,670	14,196,964
Premises and equipment, net	287,036	281,461
Accrued interest receivable	81,875	84,417
Bank-owned life insurance	490,135	479,907
Goodwill	995,492	995,492
Mortgage servicing rights	5,236	5,699
Other assets	860,373	845,662
Total assets	23,780,285	24,926,474
Deposits:
Interest-bearing	13,427,674	13,749,095
Noninterest-bearing	6,800,028	7,583,562
Total deposits	20,227,702	21,332,657
Short-term borrowings	250,000	500,000
Retirement benefits payable	100,448	103,285
Other liabilities	554,101	504,466
Total liabilities	21,132,251	22,440,408
Commitments and contingent liabilities (Note 12)
Stockholders' equity
Common stock ($0.01 par value; authorized 300,000,000 shares; issued/outstanding: 141,735,601 / 127,886,167 as of September 30, 2024; issued/outstanding: 141,340,539 / 127,618,761 as of December 31, 2023)	1,417	1,413
Additional paid-in capital	2,558,158	2,548,250
Retained earnings	915,062	837,859
Accumulated other comprehensive loss, net	(452,658)	(530,210)
Treasury stock (13,849,434 shares as of September 30, 2024 and 13,721,778 shares as of December 31, 2023)	(373,945)	(371,246)
Total stockholders' equity	2,648,034	2,486,066
Total liabilities and stockholders' equity	$ 23,780,285	$ 24,926,474