Profit Sharing Plan (Details) - Profit Sharing Plan [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Profit Sharing Plan [Line Items]
Requisite service period	12 months
Requisite service hours	1000 hours
Compensation expense	$ 1,259	$ 877	$ 1,004