Consolidated Statements of Condition - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets
Interest-Bearing Deposits in Other Banks	$ 3,421	$ 3,187
Funds Sold	181,413	707,343
Investment Securities
Available-for-Sale	2,232,979	2,186,041
Held-to-Maturity (Fair Value of $3,894,121 and $3,827,527)	3,928,170	3,832,997
Loans Held for Sale	19,231	62,499
Loans and Leases	9,796,947	8,949,785
Allowance for Loan and Lease Losses	(107,346)	(104,273)
Net Loans and Leases	9,689,601	8,845,512
Total Earning Assets	16,054,815	15,637,579
Cash and Due From Banks	263,017	169,077
Premises and Equipment, Net	130,926	113,505
Accrued Interest Receivable	50,485	46,444
Foreclosed Real Estate	1,040	1,686
Mortgage Servicing Rights	24,622	23,663
Goodwill	31,517	31,517
Bank-Owned Life Insurance	280,034	274,188
Other Assets	252,596	194,708
Total Assets	17,089,052	16,492,367
Deposits
Noninterest-Bearing Demand	4,724,300	4,772,727
Interest-Bearing Demand	3,082,563	2,934,107
Savings	5,389,013	5,395,699
Time	1,688,092	1,217,707
Total Deposits	14,883,968	14,320,240
Funds Purchased	0	9,616
Securities Sold Under Agreements to Repurchase	505,293	523,378
Other Debt	260,716	267,938
Retirement Benefits Payable	37,312	48,451
Accrued Interest Payable	6,946	5,334
Taxes Payable and Deferred Taxes	24,009	21,674
Other Liabilities	138,940	134,199
Total Liabilities	15,857,184	15,330,830
Commitments, Contingencies, and Guarantees (Note 20)
Shareholders' Equity
Common Stock ($.01 par value; authorized 500,000,000 shares; issued / outstanding: December 31, 2017 - 57,959,074 / 42,401,443 and December 31, 2016 - 57,856,672 / 42,635,978)	576	576
Capital Surplus	561,161	551,628
Accumulated Other Comprehensive Loss	(34,715)	(33,906)
Retained Earnings	1,512,218	1,415,440
Treasury Stock, at Cost (Shares: December 31, 2017 - 15,557,631 and December 31, 2016 - 15,220,694)	(807,372)	(772,201)
Total Shareholders' Equity	1,231,868	1,161,537
Total Liabilities and Shareholders' Equity	$ 17,089,052	$ 16,492,367