CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 290,501	$ 185,015
Interest-bearing deposits in other banks	824,258	1,554,882
Available-for-sale, at fair value (amortized cost: $2,379,004 as of June 30, 2024 and $2,558,675 as of December 31, 2023)	2,067,956	2,255,336
Held-to-maturity, at amortized cost (fair value: $3,401,006 as of June 30, 2024 and $3,574,856 as of December 31, 2023)	3,917,175	4,041,449
Loans held for sale	2,820	190
Loans and leases	14,359,899	14,353,497
Less: allowance for credit losses	160,517	156,533
Net loans and leases	14,199,382	14,196,964
Premises and equipment, net	283,762	281,461
Accrued interest receivable	82,512	84,417
Bank-owned life insurance	486,261	479,907
Goodwill	995,492	995,492
Mortgage servicing rights	5,395	5,699
Other assets	836,277	845,662
Total assets	23,991,791	24,926,474
Deposits:
Interest-bearing	13,461,365	13,749,095
Noninterest-bearing	6,857,467	7,583,562
Total deposits	20,318,832	21,332,657
Short-term borrowings	500,000	500,000
Retirement benefits payable	101,304	103,285
Other liabilities	521,343	504,466
Total liabilities	21,441,479	22,440,408
Commitments and contingent liabilities (Note 12)
Stockholders' equity
Common stock ($0.01 par value; authorized 300,000,000 shares; issued/outstanding: 141,728,446 / 127,879,012 as of June 30, 2024; issued/outstanding: 141,340,539 / 127,618,761 as of December 31, 2023)	1,417	1,413
Additional paid-in capital	2,554,795	2,548,250
Retained earnings	887,176	837,859
Accumulated other comprehensive loss, net	(519,132)	(530,210)
Treasury stock (13,849,434 shares as of June 30, 2024 and 13,721,778 shares as of December 31, 2023)	(373,944)	(371,246)
Total stockholders' equity	2,550,312	2,486,066
Total liabilities and stockholders' equity	$ 23,991,791	$ 24,926,474