Stock-Based Compensation (Stock Incentive Plan) (Details) (Stock Option [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Oct. 01, 2013	Sep. 30, 2014	Oct. 01, 2013
Options, Outstanding [Roll Forward]
Outstanding, beginning of period	3,324,822	3,474,398	3,309,872	2,973,168
Granted	22,000	0	253,552	538,273
Exercised	37,313	0	230,551	0
Forfeited	1,401	1,961	24,765	39,004
Outstanding, end of period	3,308,108	3,472,437	3,308,108	3,472,437
Weighted average fair market value on option grant date	$ 7.47		$ 10.63	$ 5.81
Stock based compensation expense	$ 368	$ 131	$ 1,025	$ 4,065
Capitalized stock based compensation expense	$ 25	$ 15	$ 54	$ 56
Executive Officer [Member]
Options, Outstanding [Roll Forward]
Granted		403,900
Number of officers granted awards		2
Vesting period		4 years
IPO [Member] | Executive Officer [Member]
Options, Outstanding [Roll Forward]
Vested percentage		50.00%