Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021
Actuarially Determined Long-Term Liability Adjustments, Net of Tax	$ 508	$ 508	$ 508	$ 1,164	$ 1,427	$ 1,164
Interest Rate Hedge, Tax	89	75	130	(135)	135	144
Actuarially Determined Long-Term Liability Adjustments, Net of Tax	508	508	508	1,164	1,427	1,164
Unrealized Loss on Cash Flow Hedges, Tax	$ 89	$ 75	$ 130	$ (135)	$ 135	$ 144
Dividends per share (in dollars per share)	$ 1			$ 0

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

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