Consolidated Condensed Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net Income (Loss) Attributable to Parent	$ 33,733	$ 38,875
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for (recovery of) credit losses	183	(4,605)
Amortization of Deferred Loan Origination Fees, Net	(2,169)	(3,772)
Depreciation	3,500	3,482
Amortization of investment securities, net	817	875
Depreciation, Amortization and Accretion, Net	119	(86)
Loss (gain) on equity securities, net	405	(2,353)
Loan originations to be sold in secondary market	(15,332)	(73,713)
Proceeds from sale of loans in secondary market	15,730	77,189
Share-based compensation expense	2,336	1,981
Gains (Losses) on Sales of Other Real Estate	9	0
Real Estate Owned, Valuation Allowance, Valuation Increase	(15)	(30)
Bank owned life insurance income	(1,185)	(1,175)
Investment in qualified affordable housing tax credits amortization	2,097	1,980
Changes in assets and liabilities:
(Increase) decrease in other assets	(2,116)	1,253
Decrease in other liabilities	(13,986)	(9,742)
Net cash provided by operating activities	24,402	28,312
Investing activities:
Payments for (Proceeds from) Federal Home Loan Bank Stock	3,094	0
Proceeds from Sale, Maturity and Collection of Investments [Abstract]
Available-for-sale securities	34,085	54,263
Payments to Acquire Investments [Abstract]
Payments to Acquire Debt Securities, Available-for-sale	0	(128,731)
Equity securities	(2,195)	(1,630)
Net loan originations, portfolio loans	50,208	52,474
Payments for Affordable Housing Programs	(1,409)	(7,252)
Proceeds from the sale of OREO	13	38
Life insurance death benefits	229	367
Payment to Acquire Life Insurance Policy, Investing Activities	(2,500)	(7,500)
Purchases of premises and equipment	(2,674)	(2,127)
Net cash provided by (used in) investing activities	78,668	(39,974)
Financing activities:
Net increase in deposits	28,392	257,927
Increase (Decrease) in Other Deposits	31,337	(166,134)
Net decrease in short-term borrowings	(55,284)	(32,859)
Payment, Tax Withholding, Share-based Payment Arrangement	(2,607)	(2,451)
Payments for Repurchase of Common Stock	(15,308)	0
Cash dividends paid	(17,409)	(17,109)
Net cash (used in) provided by financing activities	(30,879)	39,374
Increase in cash and cash equivalents	72,191	27,712
Cash and cash equivalents at beginning of year	189,728	219,180
Cash and cash equivalents at end of period	261,919	246,892
Supplemental disclosures of cash flow information:
Cash paid for interest	20,528	5,429
Non cash activities:
Real Estate Owned, Transfer to Real Estate Owned	138	55
Equity
Non cash activities:
Transfer to Investments	0	10,000
Other Investments
Payments to Acquire Investments [Abstract]
Payments to Acquire Other Investments	183	(124)
Consumer Portfolio Segment [Member]
Changes in assets and liabilities:
Decrease in prepaid dealer premiums	601	94
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	$ (325)	$ (1,941)