Stock-Based Compensation - Schedule of Unvested Performance-based Restricted Stock Units Awards (Details) - Performance Awards - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
		Feb. 29, 2016	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested balance			60,970
Granted		101,660	101,660
Forfeited			0
Unvested balance			162,630
Unvested balance, Weighted Average Fair Value at Grant Date			$ 21.82
Granted, Weighted Average Fair Value at Grant Date			20.71
Unvested balance, Weighted Average Fair Value at Grant Date			$ 21.13
Unvested balance, Aggregate Intrinsic Value	[1]		$ 4,132

[1] The aggregate intrinsic value is calculated as the market value of our common stock as of December 30, 2016. The market value as of December 30, 2016 was $25.41 per share, which was the closing price of our common stock reported for transactions effected on the NASDAQ Global Select Market on December 30, 2016, the final trading day of 2016.