Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value of Financial Instruments [Abstract]

Summary of Fair Value of Financial Assets Measured on a Recurring Basis

	Pricing	Fair Value at
	Category	March 31, 2017		December 31, 2016
Assets	(in thousands)
Cash and cash equivalents	Level 1	$	13,589	$	6,067
Restricted cash	Level 1		3,000		3,000
Long-term restricted cash	Level 1		2,612		3,881