Annual report pursuant to Section 13 and 15(d)

Quarterly Results of Operations (Unaudited) (Tables)

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Quarterly Results of Operations (Unaudited) (Tables)
12 Months Ended
Dec. 31, 2023
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
The following is a summary of the quarterly results of operations for the years ended December 31, 2023 and 2022: 
2023
March 31 June 30 September 30 December 31
Operating revenue $ 357,709  $ 333,622  $ 340,976  $ 338,428 
Net income (loss) from continuing operations $ 33,904  $ 17,127  $ 6,493  $ (14,721)
Income from discontinued operations, net of tax 2,464  2,824  2,795  116,465 
Net income and comprehensive income $ 36,368  $ 19,951  $ 9,288  $ 101,744 
Basic net income (loss) per share:
   Continuing operations $ 1.28  $ 0.66  $ 0.25  $ (0.58)
   Discontinued operations 0.09  0.11  0.11  4.51 
Net income per share1
$ 1.37  $ 0.76  $ 0.36  $ 3.94 
Diluted net income (loss) per share:
   Continuing operations $ 1.27  $ 0.65  $ 0.25  $ (0.58)
   Discontinued operations 0.09  0.11  0.11  4.51 
Net income per share1
$ 1.37  $ 0.76  $ 0.36  $ 3.93 
2022
March 31 June 30 September 30 December 31
Operating revenue $ 401,203  $ 442,191  $ 433,201  $ 403,039 
Net income from continuing operations $ 40,463  $ 51,434  $ 48,508  $ 39,009 
Income from discontinued operations, net of tax 2,223  3,996  3,625  3,933 
Net income and comprehensive income $ 42,686  $ 55,430  $ 52,133  $ 42,942 
Basic net income per share:
   Continuing operations $ 1.49  $ 1.90  $ 1.80  $ 1.46 
   Discontinued operations 0.08  0.15  0.13  0.15 
Net income per share1
$ 1.57  $ 2.05  $ 1.94  $ 1.61 
Diluted net income per share:
   Continuing operations $ 1.48  $ 1.89  $ 1.80  $ 1.45 
   Discontinued operations 0.08  0.15  0.13  0.15 
Net income per share1
$ 1.57  $ 2.04  $ 1.93  $ 1.60 
1 Rounding may impact summation of amounts.