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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2019
Discontinued Operations [Abstract]  
Disposal Groups, Including Discontinued Operations,Income Loss [Table Text Blcok]
Nine Months Ended
September 30,
2018
(in thousands)
Revenues$893
Cost of revenues(534)
Operating and other expenses(673)
Gain on disposal of discontinued operations1,251
Income from discontinued operations before income taxes937
Income tax benefit(883)
Income from discontinued operations$1,820