CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 202,121	$ 185,015
Interest-bearing deposits in other banks	1,072,145	1,554,882
Available-for-sale, at fair value (amortized cost: $2,466,109 as of March 31, 2024 and $2,558,675 as of December 31, 2023)	2,159,338	2,255,336
Held-to-maturity, at amortized cost (fair value: $3,470,710 as of March 31, 2024 and $3,574,856 as of December 31, 2023)	3,988,011	4,041,449
Loans held for sale		190
Loans and leases	14,320,208	14,353,497
Less: allowance for credit losses	159,836	156,533
Net loans and leases	14,160,372	14,196,964
Premises and equipment, net	281,181	281,461
Accrued interest receivable	85,715	84,417
Bank-owned life insurance	484,193	479,907
Goodwill	995,492	995,492
Mortgage servicing rights	5,533	5,699
Other assets	845,085	845,662
Total assets	24,279,186	24,926,474
Deposits:
Interest-bearing	13,620,928	13,749,095
Noninterest-bearing	7,048,553	7,583,562
Total deposits	20,669,481	21,332,657
Short-term borrowings	500,000	500,000
Retirement benefits payable	102,242	103,285
Other liabilities	493,702	504,466
Total liabilities	21,765,425	22,440,408
Commitments and contingent liabilities (Note 12)
Stockholders' equity
Common stock ($0.01 par value; authorized 300,000,000 shares; issued/outstanding: 141,687,612 / 127,841,908 as of March 31, 2024; issued/outstanding: 141,340,539 / 127,618,761 as of December 31, 2023)	1,417	1,413
Additional paid-in capital	2,551,488	2,548,250
Retained earnings	858,494	837,859
Accumulated other comprehensive loss, net	(523,780)	(530,210)
Treasury stock (13,845,704 shares as of March 31, 2024 and 13,721,778 shares as of December 31, 2023)	(373,858)	(371,246)
Total stockholders' equity	2,513,761	2,486,066
Total liabilities and stockholders' equity	$ 24,279,186	$ 24,926,474