Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||||
---|---|---|---|---|---|---|---|
Jan. 31, 2016 |
Mar. 31, 2013 |
Feb. 28, 2013 |
Mar. 31, 2017 |
Mar. 31, 2016 |
Sep. 30, 2014 |
Dec. 31, 2015 |
|
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||||
Proceeds from sale of investment in Verinata | $ 0 | $ 2,330 | |||||
Verinata | Cost-method Investments | |||||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||||
Aggregate disposal value | $ 350,000 | ||||||
Contingent milestone payment receivable for shareholders in cost method investment | $ 100,000 | ||||||
Proceeds from sale of investment in Verinata | $ 3,100 | ||||||
Gain on sale of cost method investment | $ 1,800 | $ 300 | |||||
Other Assets | Verinata | Cost-method Investments | |||||||
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |||||||
Contingent milestone payment receivable for shareholders in cost method investment | $ 2,300 | ||||||
Proceeds from contingent milestone payments | $ 2,300 |