Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Minimum rental commitments
2017	$ 1,511
2018	1,525
2019	1,372
2020	709
2021	224
Total minimum lease payments	5,341
Total rent expense	$ 1,500	$ 1,400	$ 1,300
Arizona manufacturing facility | Freescale
Period to cancel lease upon notice	24 months