Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Debt

Long-Term debt is summarized as follows:

	June 30, 2018			December 31, 2017
Principal amount of 4.50% exchangeable senior notes due 2023	$	143,750		$	—
Less: debt discount and issuance costs, net	30,869			—
Net carrying amount of liability component	112,881			—
Other	265			267
Subtotal	113,146			267
Less: current maturities	(108		)	(111		)
Long-term debt	$	113,038		$	156
Equity component:
Equity component of exchangeable notes, net of issuance costs	$	26,699		$	—