Earnings (Loss) Per Share - Narrative (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential antidilutive securities excluded from future computations of earnings per share, amount (in shares)	2,358,684	2,012,770	2,239,139	2,002,337
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential antidilutive securities excluded from future computations of earnings per share, amount (in shares)	0	0