Accounting Policies - Additional Information (Details) - $ / shares			3 Months Ended		9 Months Ended
	May 06, 2021	Mar. 06, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jul. 16, 2019
Accounting Policies [Abstract]
Number of shares authorized to be repurchased (in shares)							2,250,000
Number of shares repurchased (in shares)		1,000,000			803,349
Average price per share repurchased (in USD per share)		$ 15.19			$ 16.89
Shares, non-dilutive (in shares)			142,705	492,273	153,582	273,776
Additional shares authorized (in shares)	1,400,000