Concentrations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Total revenue, net	$ 428,358	$ 285,791
Bedding [Member]
Total revenue, net	401,499	272,277
Other [Member]
Total revenue, net	$ 26,859	$ 13,514