Stock Based Compensation - Summary of Stock Options Outstanding and Exercisable (Details) - USD ($)		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (in USD per share)			$ 8.66	$ 8.66
Number of Shares (in shares)		611,313	419,238	576,651	576,651
Options exercisable at end of year (in shares)	[1]	371,313	419,238	480,571
Granted in Prior Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (in USD per share)		$ 8.66
Number of Shares (in shares)		371,313
Weighted Average Remaining Contractual Term (in years)		6 years 9 months
Aggregate Intrinsic Value		$ 2,911,093.92
Options exercisable at end of year (in shares)		371,313
Granted in Current Year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price (in USD per share)		$ 25.82
Number of Shares (in shares)		240,000
Weighted Average Remaining Contractual Term (in years)		9 years 3 months
Aggregate Intrinsic Value		$ 0
Options exercisable at end of year (in shares)		0

[1] No options vested during the year ended December 31, 2015. The fair value of shares vested during the years ended December 31, 2014 and 2013 was $1.2 million, and $1.4 million, respectively.