Annual report pursuant to Section 13 and 15(d)

Significant Customer and Geographic Information (Details)

v3.19.3.a.u2
Significant Customer and Geographic Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Concentration Risk [Line Items]                      
Long lived assets                 $ 453,892 $ 501,634  
Net revenue $ 70,018 $ 80,020 $ 82,507 $ 84,635 $ 87,627 $ 85,010 $ 101,533 $ 110,827 317,180 384,997 $ 420,318
Asia [Member]                      
Concentration Risk [Line Items]                      
Net revenue                     372,103
UNITED STATES                      
Concentration Risk [Line Items]                      
Long lived assets                 385,302 426,321  
Net revenue                     10,829
Rest of World [Member]                      
Concentration Risk [Line Items]                      
Long lived assets                 5,034 3,368  
Net revenue                     $ 37,386
SINGAPORE                      
Concentration Risk [Line Items]                      
Long lived assets                 $ 63,556 $ 71,945  
Long lived assets [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 100.00% 100.00%  
Long lived assets [Member] | UNITED STATES                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 85.00% 85.00%  
Long lived assets [Member] | Rest of World [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 1.00% 1.00%  
Long lived assets [Member] | SINGAPORE                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 14.00% 14.00%  
Revenue Benchmark [Member]                      
Concentration Risk [Line Items]                      
Net revenue                 $ 317,180 $ 384,997  
Concentration Risk, Percentage                 100.00% 100.00% 100.00%
Revenue Benchmark [Member] | Asia [Member]                      
Concentration Risk [Line Items]                      
Net revenue                 $ 265,122 $ 312,877  
Concentration Risk, Percentage                 84.00% 81.00% 89.00%
Revenue Benchmark [Member] | UNITED STATES                      
Concentration Risk [Line Items]                      
Net revenue                 $ 13,984 $ 18,060  
Concentration Risk, Percentage                 4.00% 5.00% 2.00%
Revenue Benchmark [Member] | Rest of World [Member]                      
Concentration Risk [Line Items]                      
Net revenue                 $ 38,074 $ 54,060  
Concentration Risk, Percentage                 12.00% 14.00% 9.00%
Revenue Benchmark [Member] | Geographic Concentration Risk [Member] | China [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 60.00% 63.00% 71.00%
Customer A [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 14.00%   25.00%
Customer B (Direct) [Member] | Revenue Benchmark [Member] | Customer Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                   18.00%  
Customer A [Member] | Accounts Receivable [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 10.00% 10.00%  
Vendor B [Member] | Supplier Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 15.00% 13.00% 11.00%
Vendor C [Member] | Supplier Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 14.00% 19.00% 16.00%
Vendor D [Member] | Supplier Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 13.00% 15.00% 15.00%
Vendor A [Member] | Supplier Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 17.00% 16.00% 21.00%
Vendor E [Member] | Supplier Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                     14.00%