Investment in Evofem Narrative (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 10, 2019 USD ($) $ / shares shares	Apr. 11, 2019 USD ($) $ / shares shares
Debt and Equity Securities, FV-NI [Line Items]
Investment Owned, at Cost	$ 6,600		$ 6,600
Unrealized Gain (Loss) on Investments	(13,797)	$ 0
Evofem [Member]
Debt and Equity Securities, FV-NI [Line Items]
Investment Owned, at Cost	$ 60,000
Tranche 1 of investment					$ 30,000
Investment Owned, Balance, Shares | shares					6,666,667
Warrants acquired | shares				1,666,667	1,666,667
Board member appointed				1
Board observer appointed				1
Warrants and Rights Outstanding, Term					7 years
Shares acquired | shares				6,666,667
Investment Warrants, Exercise Price | $ / shares	$ 6.38
Tranche 2 of investment				$ 30,000
Cost of tranche two investment option, per share | $ / shares				$ 4.50	$ 4.50
Investment ownership percentage	27.00%
Unrealized Gain (Loss) on Investments	$ 13,800
Common Stock [Member] | Evofem [Member]
Debt and Equity Securities, FV-NI [Line Items]
Unrealized Gain (Loss) on Investments	11,300
Warrant [Member] | Evofem [Member]
Debt and Equity Securities, FV-NI [Line Items]
Gain (Loss) on Investments	$ 2,500