Earnings Per Share - Reconciliation of Number of Common Shares Used in Calculation of Basic and Diluted Earnings Per Share (EPS) (Details) - $ / shares	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Basic EPS (in shares)									16,654,786	17,288,665	17,247,727
Effect of dilutive securities (in shares)									26,924	100,808	168,726
Diluted EPS (in shares)									16,681,710	17,389,473	17,416,453
Securities excluded from the determination of weighted average shares for the calculation of diluted EPS, as they were antidilutive (in shares)									1,046,947	870,421	520,739
Basic EPS (in dollars per share)	$ 0.21	$ 0.07	$ 0.20	$ 0.19	$ 0.52	$ (0.05)	$ 0.24	$ 0.04	$ 0.67	$ 0.74	$ 1.95
Effect of dilutive securities (in dollars per share)									0.00	0.00	(0.02)
Diluted EPS (in dollars per share)	$ 0.21	$ 0.07	$ 0.20	$ 0.19	$ 0.52	$ (0.05)	$ 0.24	$ 0.04	$ 0.67	$ 0.74	$ 1.93