Stock Options - Schedule of Options Outstanding (Details) - $ / shares			3 Months Ended
	Mar. 24, 2017	Aug. 27, 2015	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Options, Outstanding
Outstanding, beginning of year (in shares)			26,500	34,750
Granted (in shares)	70,000	38,750	70,000	0
Exercised (in shares)			0	0
Forfeited (in shares)		(12,250)	0	(2,250)
Expired (in shares)			0	0
Outstanding, end of year (in shares)		26,500	96,500	32,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, weighted average exercise price (in dollars per share)			$ 43.61	$ 42.03	$ 42.03	$ 42.03
Granted (in dollars per share)	$ 44.21	$ 42.03	44.21	0.00
Exercised (in dollars per share)			0.00	0.00
Forfeited (in dollars per share)			0.00	42.03
Expired (in dollars per share)			$ 0.00	$ 0.00
Exercisable, end of year (in shares)			0	0
Exercisable, end of year (in dollars per share)			$ 0.00	$ 0.00