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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