Commitments and Contingencies (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) Lawsuit	Dec. 31, 2016 USD ($)
Estimated Expenses and Liabilities [Abstract]
Estimated expenses and liabilities	$ 2,504	$ 2,657
Medical Accrual [Abstract]
Accrued medical claims	$ 1,923	1,411
Total number of law suits | Lawsuit	2
Future legal cost accrued	$ 500	$ 500
Minimum [Member]
Medical Accrual [Abstract]
Aggregate medical claims for umbrella insurance coverage per calendar year	$ 4,500