Earnings per Common Share (Details) - Schedule of earnings per common share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Schedule of earnings per common share [Abstract]
Net income	$ 10,521	$ 4,378	$ 20,901	$ 8,776	$ 18,565
Less: preferred stock dividends	(28)	(28)	(56)	(56)
Net income available to common stockholders	$ 10,493	$ 4,350	$ 20,845	$ 8,720
Basic weighted average common shares outstanding	29,868,247	16,372,885	29,812,521	16,361,596
Plus: effect of dilutive options and awards	363,000	57,000	391,000	60,000
Diluted weighted average common shares outstanding	30,231,480	16,430,376	30,203,682	16,422,339
Earnings per common share:
Basic	$ 0.35	$ 0.27	$ 0.70	$ 0.53
Diluted	$ 0.35	$ 0.26	$ 0.69	$ 0.53