Consolidated Statements of Stockholders' Equity (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Statement of Stockholders' Equity [Abstract]
Equity component of convertible senior notes, Deferred tax	$ 14,819
Equity component of convertible senior notes, issuance cost	1,700
Purchase of note hedge related to convertible senior notes, deferred tax	$ 16,047