Earnings per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Net Income	$ 19,844	$ 12,176
Earnings allocated to participating securities - nonvested restricted shares	169	123
Earnings allocated to participating securities - preferred shares	40	0
Earnings allocated to common shareholders, Basic	19,635	12,053
Weighted average common shares outstanding	51,097	39,348
Basic earnings per common share	$ 0.38	$ 0.31
Dilutive effect of equity awards and warrants	1,336	3
Earnings allocated to common shareholders, Diluted	$ 19,639	$ 12,053
Weighted average diluted common shares outstanding	52,433	39,351
Diluted earnings per common share	$ 0.37	$ 0.31
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive.	83	9