Consolidated Condensed Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	$ 31,213	$ 6,384
Amortization of Deferred Loan Origination Fees, Net	(12,191)	(5,077)
Gain (Loss) on Sale of Investments	(3,286)	421
Depreciation	7,888	6,676
Amortization of investment securities, net	1,064	1,102
Depreciation, Amortization and Accretion, Net	(2,005)	2,052
Loss (gain) on equity securities, net	(749)	5,309
Loan originations to be sold in secondary market	(697,555)	(224,314)
Proceeds from sale of loans in secondary market	676,275	214,266
Share-based compensation expense	3,749	3,752
(Gain) loss on sale of OREO, net	(1,214)	224
Bank owned life insurance income	(3,619)	(3,399)
Investment in qualified affordable housing tax credits amortization	5,487	5,438
Changes in assets and liabilities:
(Increase) decrease in other assets	(5,794)	5,250
(Decrease) increase in other liabilities	(8,452)	1,128
Net cash provided by operating activities	52,436	73,971
Investing activities:
Payments for (Proceeds from) Federal Home Loan Bank Stock	7,639	9,964
Proceeds from Sale of Debt Securities, Available-for-sale	312,159	91,110
Proceeds from Sale, Maturity and Collection of Investments [Abstract]
Available-for-sale securities	164,725	145,851
Held-to-maturity securities	0	475
Payments to Acquire Investments [Abstract]
Payments to Acquire Debt Securities, Available-for-sale	(267,210)	0
Equity securities	(3,567)	0
Payments to Acquire Federal Reserve Bank Stock	0	(5,180)
Payments to Acquire Other Investments	201	6,145
Net loan originations, portfolio loans	727,387	112,767
Payments for Affordable Housing Programs	(4,301)	(3,843)
Proceeds from the sale of OREO	5,595	1,098
Life insurance death benefits	1,196	1,344
Payments to Acquire Businesses, Net of Cash Acquired	0	(4,831)
Purchases of premises and equipment	(20,820)	(11,641)
Net cash (used in) provided by investing activities	(531,770)	117,725
Financing activities:
Net increase in deposits	423,411	275,207
Net increase (decrease) in short-term borrowings	89,778	(64,891)
Proceeds from issuance of long-term debt	0	50,000
Proceeds from Issuance of Subordinated Long-term Debt	172,620	0
Repayments of Long-term Debt	(57,500)	(152,500)
Payment, Tax Withholding, Share-based Payment Arrangement	(1,002)	(827)
Repurchase of common shares to be held as treasury shares	(7,507)	(40,535)
Cash dividends paid	(53,713)	(52,638)
Net cash provided by financing activities	566,087	13,816
Increase in cash and cash equivalents	86,753	205,512
Cash and cash equivalents at beginning of year	159,956	167,214
Cash and cash equivalents at end of period	246,709	372,726
Supplemental disclosures of cash flow information:
Cash paid for interest	24,600	47,891
Income Taxes Paid	17,400	9,261
Non cash activities:
Debt Securities, Held-to-maturity, Transfer, Unrealized Gain (Loss)	0	349,773
Real Estate Owned, Transfer to Real Estate Owned	1,124	951
Other Significant Noncash Transaction, Value of Consideration Received	7,794	11,351
Affordable Housing Program Obligation, Period Increase (Decrease)	10,000	10,000
Consumer Portfolio Segment [Member]
Changes in assets and liabilities:
Increase in prepaid dealer premiums	(7,889)	(4,625)
Mortgage Loans on Real Estate [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of loans in secondary market	$ 14,707	$ 4,658

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The cash outflow to reacquire common stock during the period.

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Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings.

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The cash outflow to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.

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Amount of cash outflow to acquire investments classified as other.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.

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The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of cash inflow from the sale or maturity of long-term held-to-maturity securities.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of expense related to estimated loss from loan and lease transactions.

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Amount of noncash expense for share-based payment arrangement.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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