Equity - Summary of Restricted Stock Activity (Details) - Restricted Stock	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Number of shares
Beginning balance (in shares) | shares	327,211
Granted (in shares) | shares	41,382
Vested (in shares) | shares	(119,180)
Ending balance (in shares) | shares	249,413
Weighted average price
Beginning balance (in dollars per share) | $ / shares	$ 7.27
Granted (in dollars per share) | $ / shares	11.60
Vested (in dollars per share) | $ / shares	7.27
Ending balance (in dollars per share) | $ / shares	$ 7.99