XML 67 R53.htm IDEA: XBRL DOCUMENT v3.6.0.2
Segments and Major Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Financial information of business segments                      
Revenue $ 97,559 $ 89,855 $ 76,501 $ 72,682 $ 76,773 $ 73,779 $ 72,812 $ 72,914 $ 336,597 $ 296,278 $ 296,558
Segment operating expenses                 150,712 108,983 102,530
Segment operating income (loss)                 185,885 187,295 194,028
Reconciling items                 (152,243) (115,875) (118,682)
Operating income (loss) $ 524 $ 11,816 $ 12,008 $ 9,294 $ 20,334 $ 17,640 $ 15,554 $ 17,892 33,642 71,420 75,346
Interest and other income (expense), net                 (11,005) (11,189) (25,096)
Income before income taxes                 22,637 60,231 50,250
MID                      
Financial information of business segments                      
Revenue                 239,843 221,968 226,303
Segment operating expenses                 68,460 47,780 40,816
Segment operating income (loss)                 171,383 174,188 185,487
RSD                      
Financial information of business segments                      
Revenue                 76,175 50,497 49,330
Segment operating expenses                 51,855 29,056 27,608
Segment operating income (loss)                 24,320 21,441 21,722
Other                      
Financial information of business segments                      
Revenue                 20,579 23,813 20,925
Segment operating expenses                 30,397 32,147 34,106
Segment operating income (loss)                 $ (9,818) $ (8,334) $ (13,181)