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Note 17 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions								1 Months Ended	12 Months Ended
	Feb. 15, 2023	Jan. 30, 2023	Jan. 13, 2023	Nov. 16, 2022	Aug. 17, 2022	May 18, 2022	Jan. 26, 2022	Feb. 24, 2023	Dec. 31, 2022	Dec. 31, 2021
Proceeds from Sale of Property, Plant, and Equipment, Total									$ 53,002	$ 44,134
Gain (Loss) on Disposition of Property Plant Equipment, Total									40,322	3,799
Common Stock, Dividends, Per Share, Declared (in dollars per share)				$ 0.08	$ 0.08	$ 0.0625	$ 0.0625
Treasury Stock, Value, Acquired, Cost Method									$ 84,723	$ 10,348
Subsequent Event [Member]
Proceeds from Sale of Property, Plant, and Equipment, Total			$ 12,000
Gain (Loss) on Disposition of Property Plant Equipment, Total			$ 8,000
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.11
Stock Repurchase Program, Authorized Amount		$ 55,000
Stock Purchase Program, Increase in Authorized Amount		37,500
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 17,500
Treasury Stock, Shares, Acquired (in shares)								0.3
Treasury Stock, Value, Acquired, Cost Method								$ 10,800

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- Definition

The increase in authorized amount under stock purchase program.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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