XML 79 R69.htm IDEA: XBRL DOCUMENT v3.10.0.1
Foreign Operations - Long-Lived Tangible Assets by Geographic Area (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Long-lived Assets from External Customers and Long-Lived Assets [Line Items]    
Long-lived tangible assets $ 105,360 $ 115,528
United States    
Long-lived Assets from External Customers and Long-Lived Assets [Line Items]    
Long-lived tangible assets 14,765 14,674
People's Republic of China (PRC)    
Long-lived Assets from External Customers and Long-Lived Assets [Line Items]    
Long-lived tangible assets 85,808 96,984
All other countries    
Long-lived Assets from External Customers and Long-Lived Assets [Line Items]    
Long-lived tangible assets $ 4,787 $ 3,870