Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share
Net income (loss)	$ 12,012	$ 6,698	$ 23,785	$ (7,712)
Weighted-average common shares outstanding, basic	24,343,425	21,975,962	24,231,344	19,501,727
Common Share equivalents	713,604	129,047	691,286
Diluted	25,057,029	22,105,009	24,922,630	19,501,727
Basic earnings per share	$ 0.49	$ 0.30	$ 0.98	$ (0.40)
Diluted earnings per share	$ 0.48	$ 0.30	$ 0.95	$ (0.40)
Common share equivalents excluded from calculation of diluted earnings per share as effect was anti-dilutive				64,880