Assets Manufactured for Internal Use, net (Tables)

12 Months Ended

Dec. 31, 2015

Assets Manufactured for Internal Use, net

Schedule of components of assets manufactured for internal use

	December 31,
	2015			2014
	(in thousands)
Internal use assets	$	31,759		$	24,309
Construction in process		470			3,465
Total cost		32,229			27,774
Accumulated depreciation		(20,193	)		(17,927	)
Assets manufactured for internal use, net	$	12,036		$	9,847