Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income as reported	$ 38,405	$ 14,634	$ 68,331	$ 27,502
Weighted average common shares outstanding (in shares)	31,265,000	26,180,000	31,256,000	26,325,000
Additional dilutive common stock equivalents (in shares)	47,000	15,000	49,000	29,000
Weighted average diluted common shares outstanding (in shares)	31,312,000	26,195,000	31,305,000	26,354,000
Basic earnings per common share (in dollars per share)	$ 1.23	$ 0.56	$ 2.19	$ 1.04
Diluted earnings per common share (in dollars per share)	$ 1.23	$ 0.56	$ 2.18	$ 1.04
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	154,000	157,000	133,000	147,000