CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Gross loans and leases, excluding accrued interest	$ 10,433,385	$ 10,298,971
Less: Allowance for credit losses	(141,591)	(132,977)
Net loans and leases	10,291,794	10,165,994
ASSETS
Cash and due from banks	199,835	207,501
Interest-bearing deposits with other banks	305,465	388,182
Investment securities available-for-sale, at fair value (amortized cost $3,763,658 at March 31, 2023 and $3,827,418 at December 31, 2022)	3,384,949	3,409,648
Investment securities held-to-maturity (fair value $75,762 at March 31, 2023 and $76,485 at December 31, 2022)	83,070	84,021
Other investments	143,606	143,160
Loans held for sale	9,280	7,918
Premises and equipment	188,959	189,080
Operating leases	153,986	91,738
Goodwill	1,005,738	1,001,507
Other Finite-Lived Intangible Assets, Gross	91,169	93,919
Accrued interest and other assets	1,076,033	1,220,648
Total assets	16,933,884	17,003,316
Deposits
Interest-bearing	2,761,811	3,037,153
Savings	3,746,403	3,828,139
Time	2,336,368	1,700,705
Total interest-bearing deposits	8,844,582	8,565,997
Noninterest-bearing	3,830,102	4,135,180
Total deposits	12,674,684	12,701,177
FHLB short-term borrowings	1,089,400	1,130,000
Other Short-term Borrowings	128,160	157,156
Total short-term borrowings	1,217,560	1,287,156
Long-term debt	342,647	346,672
Total borrowed funds	1,560,207	1,633,828
Accrued interest and other liabilities	577,497	626,938
Total liabilities	14,812,388	14,961,943
SHAREHOLDERS' EQUITY
Authorized - 160,000,000 shares; Issued - 104,281,794 shares at both March 31, 2023 and December 31, 2022	1,629,428	1,634,605
Retained earnings	1,016,893	968,237
Accumulated other comprehensive loss	(328,059)	(358,663)
Treasury stock, at cost, 9,091,388 shares at March 31, 2023 and 9,390,695 shares at December 31, 2022	(196,766)	(202,806)
Total shareholders' equity	2,121,496	2,041,373
Total liabilities and shareholders' equity	$ 16,933,884	$ 17,003,316
Common Stock, Shares, Issued	104,281,794	104,281,794
Common Stock, Shares Authorized	160,000,000	160,000,000
Treasury Stock, Common, Shares	9,091,388	9,390,695
Commercial
Gross loans and leases, excluding accrued interest	$ 3,449,289	$ 3,410,272
Lease financing
Gross loans and leases, excluding accrued interest	273,898	236,124
Construction real estate
Gross loans and leases, excluding accrued interest	525,906	512,050
Commercial real estate
Gross loans and leases, excluding accrued interest	4,056,627	4,052,759
Residential real estate
Gross loans and leases, excluding accrued interest	1,145,069	1,092,265
Home equity
Gross loans and leases, excluding accrued interest	724,672	733,791
Installment
Gross loans and leases, excluding accrued interest	204,372	209,895
Credit card
Gross loans and leases, excluding accrued interest	$ 53,552	$ 51,815