Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Debt

Long-Term debt is summarized as follows:

	March 31, 2018			December 31, 2017
Principal amount of 4.50% exchangeable senior notes due 2023	$	143,750		$	—
Less: debt discount and issuance costs, net	(32,232		)	—
Net carrying amount of liability component	111,518			—
Other	320			267
Subtotal	111,838			267
Less: current maturities	(114		)	(111		)
Long-term debt	$	111,724		$	156
Equity component:
Equity component of exchangeable notes, net of issuance costs	$	26,699		$	—