Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 14,628	$ 45,871
Earnings allocated to participating securities - nonvested restricted shares	249	456
Earnings allocated to common shareholders, Basic	$ 14,379	$ 45,415
Weighted average common shares outstanding	71,206	72,521
Basic earnings per common share	$ 0.20	$ 0.63
Earnings allocated to common shareholders, Diluted	$ 14,379	$ 45,415
Dilutive effect of equity awards and warrants	58	3
Weighted average diluted common shares outstanding	71,264	72,524
Diluted earnings per common share	$ 0.20	$ 0.63
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive.	6	0