General and Summary of Significant Accounting Policies Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
NET INCOME PER SHARE
Net Income	$ (74,286)	$ 103,135	$ 86,870
Weighted average number of common shares outstanding (basic)	23,868,000	21,206,000	20,907,000
Weighted Average Number Diluted Shares Outstanding Adjustment	0	575,000	684,000
Weighted Average common and common equivalent shares outstandding (diluted)	23,868,000	21,781,000	21,591,000
Basic	$ (3.11)	$ 4.86	$ 4.16
Diluted	$ (3.11)	$ 4.74	$ 4.02
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		12,354	12,083