Shareholders' Equity - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 07, 2021	Apr. 01, 2020	Apr. 01, 2019	Mar. 11, 2016
Stockholders Equity [Line items]
Capital conservation buffer rate		2.50%	2.50%
Dividend potential for next fiscal year		$ 161.9
Period for which retained net income considered for approval		2 years
Stock Repurchase Program 1 [Member] | Common Stock [Member]
Stockholders Equity [Line items]
Amount of stock authorized for repurchase								$ 100.0
Repurchase shares of common stock		1,200,000
Repurchase shares of common stock, value				$ 36.9
2016 Program [Member]
Stockholders Equity [Line items]
Repurchase shares of common stock		3,200,000
Repurchase shares of common stock, value		$ 100.0
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	601,000
Repurchase shares of common stock, value			$ 27.5	$ 19.7
2019 Program | Common Stock [Member]
Stockholders Equity [Line items]
Repurchase shares of common stock		1,500,000
Repurchase shares of common stock, value		$ 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		1,900,000
Repurchase shares of common stock, value		$ 61.8
Stock Repurchase Program 4 [Member]
Stockholders Equity [Line items]
Amount of stock authorized for repurchase					$ 100.0
Stock Repurchase Program 4 [Member] | Common Stock [Member] | Subsequent Event [Member]
Stockholders Equity [Line items]
Repurchase shares of common stock	156,000
Repurchase shares of common stock, value	$ 5.2