Organization and Summary of Significant Accounting Policies - Revenue Recognition - Adoption of ASC 606 (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, net	$ 40,492	$ 23,211
Price adjustments and other revenue reserves	3,640	4,819
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, net	36,852	18,392
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Accounts receivable, net	(3,640)	(4,819)
Price adjustments and other revenue reserves	$ 3,640	$ 4,819