Discontinued Operations Assets Held for Sale and Discontinued Operations (Tables)
 12 Months Ended
Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]  
Operating Results and Gain on Discontinued Operations
The operating results of these divested businesses, as well as the gain or loss on the sale are included within net income on our Consolidated Statements of Operations and are reflected in the table below (in thousands):
 
Year Ended December 31,
 
2015
 
2016
 
2017
Revenues
$
—

 
$
744

 
$
605

 
 
 
 
 
 
Operating income
—

 
314

 
277

Net gain (loss) on disposal
—

 
(29
)
 
191

Income tax provision
—

 
(112
)
 
(187
)
Net income from divested operations
$
—

 
$
173

 
$
281