Goodwill and Intangible Assets Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	1 Months Ended
	Sep. 30, 2015	Dec. 31, 2016	Jan. 02, 2016
Definite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 21,365	$ 21,365
Accumulated Amortization		5,990	3,463
Developed Technologies [Member]
Definite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		18,851	18,851	[1]
Accumulated Amortization		4,524	2,342
Customer Relationships [Member]
Definite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		2,413	2,413
Accumulated Amortization		1,365	1,020
Trade name/trademarks [Member]
Definite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		101	101
Accumulated Amortization		$ 101	$ 101
BAM Labs, Inc. [Member] | Developed Technologies [Member]
Definite-Lived Intangible Assets [Line Items]
BAM Labs, Inc. purchase	$ 13,600

[1] In September 2015, in connection with the acquisition of BAM Labs, Inc. (now operating as SleepIQ LABS), we acquired $13.6 million of definite-lived intangible assets consisting of developed technologies.