Earnings per Share - Summary of Securities Outstanding Included in Computation above, Utilizing Treasury Stock Method (Details)	9 Months Ended
	Sep. 30, 2021 shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	1,588,057
Stock Options, SARs, and RSUs to Purchase Common Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	1,405,092
Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Total	182,965