Investments (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Fair Value of Investments

The following table presents the Company’s activity for 2015:

		Note	Note
		receivable-	receivable-
Description		long-term	current			Investments
	(in thousands)
Balance at December 31, 2014	$	—	$	150		$	3,880
Total gains or (losses) (realized or unrealized)		—		—			636
Purchases		375		—			—
Sales		—		—			—
Transfers		—		(150	)		(3,836	)
Balance at December 31, 2015	$	375	$	—		$	680