Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator for Earnings per Share Basic and Diluted:
Net income	$ 13,231	$ 22,928
Less: Income allocated to participating shares	29	62
Net Income Allocated to Shareholders	13,202	22,866
Net Income Available to Shareholders	$ 13,231	$ 22,928
Denominators for Earnings per Share:
Weighted Average Shares Outstanding—Basic (in shares)	39,271,540	34,414,555
Add: Potentially dilutive shares (in shares)	108,116	128,256
Denominator for Treasury Stock Method—Diluted (in shares)	39,379,656	34,542,811
Weighted Average Shares Outstanding—Basic (in shares)	39,271,540	34,414,555
Add: Average participating shares outstanding (in shares)	54,398	92,659
Denominator for Two-Class Method—Diluted (in shares)	39,325,938	34,507,214
Earnings per share—basic (in dollars per share)	$ 0.34	$ 0.67
Earnings per share—diluted (in dollars per share)	$ 0.34	$ 0.66
Restricted Stock
Denominators for Earnings per Share:
Anti-dilutive excluded from potentially dilutive shares (in shares)	41	68,314