Income Per Share - (Schedule of Computation of Basic and Diluted Income Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	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]
Net income	$ 4,504	$ (1,341)	$ 4,755	$ (95)
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	(12)		(25)
Income available to common stockholders (numerator)	$ 4,492	$ (1,341)	$ 4,730	$ (95)
Weighted average common shares outstanding (denominator)	29,215,822	36,164,617	29,666,570	37,091,412
Weighted average shares outstanding for diluted earnings per common share	29,278,759	36,164,617	29,707,379	37,091,412
Income per share-basic (in dollars per share)	$ 0.15	$ (0.04)	$ 0.16	$ 0.00
Income per share-diluted (in dollars per share)	$ 0.15	$ (0.04)	$ 0.16	$ 0.00
Equity Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive Convertible Securities	49,461		37,643