Subsequent Event (Details) $ in Thousands	3 Months Ended
	Apr. 01, 2017 USD ($)
Subsequent Event [Line Items]
Line of Credit Facility, Dividend Restrictions	$ 15,000
Line of Credit Facility Increase in Additional Borrowings	12,500
amended and restated [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	120,000
Second Amended and Restated [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 60,000