Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum lease payments under operating and capital lease obligations

Future minimum lease payments under operating and capital lease obligations are as follows (in thousands):

	Capital Leases			Operating Leases		Purchase Commitments
2017	$	1,644		$	1,182	$	2,471
2018	1,249			900		—
2019	628			916		—
2020	78			259		—
2021	—			—		—
Thereafter	—			—		—
Total minimum lease payments	3,599			$	3,257	$	2,471
Less amount representing interest	(418		)
Present value of capital lease obligations	3,181
Less current portion of capital lease obligations	(1,644		)
Long-term capital lease obligations	$	1,537