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Schedule I - Condensed Financial Information of the Parent (Condensed Statements of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Condensed Financial Statements, Captions [Line Items] |  |
Other, net | $ (527) | $ (9)
Other (income) expense | (4,579) | 1,461
Administrative and general expenses | 53,783 | 49,192
Income tax benefit | 3,767 | 7,378
Net income | 39,632 | 34,785
Pension settlement, net of $202 tax benefit in 2019 | 671 | 0
Reclassification of pension and postretirement adjustments into earnings, net of $90 and $85 tax benefit in 2019 and 2018, respectively | 845 | 489
Total other comprehensive income | 2,274 | 188
Comprehensive income | 41,906 | 34,973
Current period pension and postretirement plan adjustment, tax benefit | 226 | (14)
Pension settlement, tax | (202) | 0
Reclassification of pension and post retirement adjustments into earnings, tax benefit | (90) | (85)
Parent Company |  |
Condensed Financial Statements, Captions [Line Items] |  |
Intercompany interest expense | 1,190 | 1,223
Other, net | (1,796) | (613)
Other (income) expense | (606) | 610
Administrative and general expenses | 6,403 | 5,962
Loss before income taxes | (5,797) | (6,572)
Income tax benefit | (3,819) | (676)
Net loss before equity in earnings of subsidiaries | (1,978) | (5,896)
Equity in earnings of subsidiaries | 41,610 | 40,681
Net income | 39,632 | 34,785
Current period pension and postretirement plan adjustment, net of $226 expense and $14 tax benefit in 2019 and 2018, respectively | 758 | (301)
Pension settlement, net of $202 tax benefit in 2019 | 671 | 0
Reclassification of pension and postretirement adjustments into earnings, net of $90 and $85 tax benefit in 2019 and 2018, respectively | 845 | 489
Total other comprehensive income | 2,274 | 188
Comprehensive income | 41,906 | 34,973
Current period pension and postretirement plan adjustment, tax benefit | 226 | (14)
Pension settlement, tax | (202) | 0
Reclassification of pension and post retirement adjustments into earnings, tax benefit | $ (90) | $ (85)

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