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Quarterly Financial Data
12 Months Ended
Dec. 31, 2021
Text Block [Abstract]  
Quarterly Financial Data (Unaudited) QUARTERLY FINANCIAL DATA (UNAUDITED)
In our opinion, the quarterly financial information shown below includes all adjustments necessary for a fair presentation of the operations for such periods. Due to the seasonal nature of our business, there are substantial variations in operations reported on a quarterly basis.
For the Quarters Ended
March 31June 30September 30December 31
(in thousands except per share amounts)    
2020 (1)
Operating Revenues$152,690 $97,051 $101,419 $137,038 
Operating Income$42,134 $17,977 $17,406 $35,206 
Net Income:
Income from Continuing Operations$29,041 $10,661 $9,280 $21,661 
Earnings/(Loss) from Discontinued Operations, Net of Tax(111)125 (19)691 
    Gain on sale of Discontinued Operations, Net of Tax 170   
Net Income$28,930 $10,956 $9,261 $22,352 
Basic Earnings Per Share of Common Stock
Earnings Per Share from Continuing Operations $1.77 $0.65 $0.56 $1.23 
Earnings/(Loss) Per Share from Discontinued Operations(0.01)0.02  0.04 
Basic Earnings Per Share of Common Stock$1.76 $0.67 $0.56 $1.27 
Diluted Earnings Per Share of Common Stock
Earnings Per Share from Continuing Operations $1.77 $0.64 $0.56 $1.22 
Earnings/(Loss) Per Share from Discontinued Operations(0.01)0.02  0.04 
Diluted Earnings Per Share of Common Stock$1.76 $0.66 $0.56 $1.26 
2019 (1)
Operating Revenues$160,464 $94,542 $92,626 $131,974 
Operating Income$44,122 $18,165 $14,357 $29,641 
Net Income:
Income from Continuing Operations$28,811 $8,914 $6,251 $17,123 
Earnings/(Loss) from Discontinued Operations, Net of Tax(148)(610)(630)39 
Gain on sale of Discontinued Operations, Net of Tax— — — 5,402 
Net Income$28,663 $8,304 $5,621 $22,564 
Basic Earnings Per Share of Common Stock
Earnings Per Share from Continuing Operations $1.76 $0.54 $0.38 $1.05 
Earnings/(Loss) Per Share from Discontinued Operations(0.01)(0.03)(0.04)0.33 
Basic Earnings Per Share of Common Stock$1.75 $0.51 $0.34 $1.38 
Diluted Earnings Per Share of Common Stock
Earnings Per Share from Continuing Operations $1.75 $0.54 $0.38 $1.04 
Earnings/(Loss) Per Share from Discontinued Operations(0.01)(0.04)(0.04)0.33 
Diluted Earnings Per Share of Common Stock$1.74 $0.50 $0.34 $1.37 

(1) The sum of the four quarters does not equal the total for the year due to rounding.