CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 318,333	$ 297,502
Interest-bearing deposits in other banks	239,798	229,122
Available-for-sale, at fair value (amortized cost: $3,296,825 as of June 30, 2023 and $3,549,599 as of December 31, 2022)	2,909,372	3,151,133
Held-to-maturity, at amortized cost (fair value: $3,697,261 as of June 30, 2023 and $3,814,822 as of December 31, 2022)	4,180,408	4,320,639
Loans and leases	14,362,832	14,092,012
Less: allowance for credit losses	148,581	143,900
Net loans and leases	14,214,251	13,948,112
Premises and equipment, net	277,817	280,355
Other real estate owned and repossessed personal property		91
Accrued interest receivable	80,710	78,194
Bank-owned life insurance	476,177	473,067
Goodwill	995,492	995,492
Mortgage servicing rights	6,072	6,562
Other assets	813,136	796,954
Total assets	24,511,566	24,577,223
Deposits:
Interest-bearing	12,911,539	12,824,383
Noninterest-bearing	8,166,627	8,864,646
Total deposits	21,078,166	21,689,029
Short-term borrowings		75,000
Long-term borrowings	500,000	0
Retirement benefits payable	100,671	102,577
Other liabilities	472,991	441,612
Total liabilities	22,151,828	22,308,218
Commitments and contingent liabilities (Note 13)
Stockholders' equity
Common stock ($0.01 par value; authorized 300,000,000 shares; issued/outstanding: 141,327,860 / 127,608,037 as of June 30, 2023; issued/outstanding: 140,963,918 / 127,363,327 as of December 31, 2022)	1,413	1,410
Additional paid-in capital	2,543,226	2,538,336
Retained earnings	799,045	736,544
Accumulated other comprehensive loss, net	(612,736)	(639,254)
Treasury stock (13,719,823 shares as of June 30, 2023 and 13,600,591 shares as of December 31, 2022)	(371,210)	(368,031)
Total stockholders' equity	2,359,738	2,269,005
Total liabilities and stockholders' equity	$ 24,511,566	$ 24,577,223