Earnings Per Share - Schedule of Reconciliation of Weighted Average Number of Common Shares Outstanding for Computing Diluted Earnings Per Share and Antidilutive Stock Options and Restricted Stock Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Diluted Shares
Denominator for Basic Earnings Per Share (in shares)	39,726,210	40,384,328	41,714,770
Dilutive Effect of Equity Based Awards (in shares)	165,897	265,242	284,629
Denominator for Diluted Earnings Per Share (in shares)	39,892,107	40,649,570	41,999,399
Antidilutive Stock Options and Restricted Stock Outstanding (in shares)	113,410	4,905