Earnings Per Share - Dilutive Earnings Per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share Basic And Diluted [Line Items]
Basic (in shares)	19,231,040	18,975,265	19,078,453	18,839,424
Diluted (in shares)	19,231,040	18,975,265	19,078,453	18,840,149
Warrant
Earnings Per Share Basic And Diluted [Line Items]
Effect of exercise of Warrants (in shares)	0	0	0	725