Shareholders' Equity - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2021	Mar. 31, 2020	Jun. 30, 2021	Mar. 31, 2020	Dec. 31, 2020	Apr. 01, 2020	Apr. 01, 2019
Stockholders Equity [Line items]
Capital conservation buffer rate	2.50%		2.50%		2.50%
Stock Repurchase Program 2 [Member]
Stockholders Equity [Line items]
Amount of stock authorized for repurchase							$ 100.0
Stock Repurchase Program 2 [Member] | Common Stock [Member]
Stockholders Equity [Line items]
Repurchase shares of common stock		887,000		1,500,000
Repurchase shares of common stock, value		$ 27.5		$ 47.2
Stock Repurchase Program 3 [Member]
Stockholders Equity [Line items]
Amount of stock authorized for repurchase						$ 100.0
Stock Repurchase Program 3 [Member] | Common Stock [Member]
Stockholders Equity [Line items]
Repurchase shares of common stock	630,000		775,000
Repurchase shares of common stock, value	$ 20.8		$ 25.0