Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Capital Unit [Line Items]
Common stock issued, net of offering costs, shares	4,753,770
Shares issued, price per share	$ 10.50
Net proceeds from issuance of common stock	$ 47,100			$ 47,125
Stock issuance costs	$ 2,700			$ 2,700
Restricted Stock Units [Member]
Capital Unit [Line Items]
Dilutive effect of restricted stock units excluded from calculating diluted earnings per share		0		14,212
2014 Long Term Incentive Plan [Member] | Restricted Stock Units [Member]
Capital Unit [Line Items]
Shares issued			0		0
Shares outstanding			0		0
Underwriters' Overallotment Option [Member]
Capital Unit [Line Items]
Common stock issued, net of offering costs, shares	253,770