Share Repurchases - Additional Information (Details) - USD ($)	1 Months Ended			2 Months Ended	12 Months Ended
	Nov. 30, 2023	Dec. 31, 2021	Feb. 28, 2021	Oct. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Oct. 28, 2021	Aug. 31, 2021	Nov. 01, 2017
Accelerated Share Repurchases [Line Items]
Stock repurchase program, authorized amount								$ 1,000,000,000	$ 200,000,000	$ 500,000,000
Open market share repurchase amount		$ 170,300,000
Payment for share repurchase					$ 300,100,000	$ (0)	$ 500,000,000
Commercial Bank
Accelerated Share Repurchases [Line Items]
Stock repurchase program, authorized amount		180,000,000					180,000,000
Accelerated share repurchases, settlement payment		$ 200,000,000					$ 200,000,000
Accelerated share repurchases received		1,800,000	200,000
Stock repurchase program remaining authorized repurchase amount					$ 658,900,000
Evergreen Program
Accelerated Share Repurchases [Line Items]
Open market share repurchase amount		$ 100,000,000
Payment for share repurchase	$ 229,300,000
Repurchase Program
Accelerated Share Repurchases [Line Items]
Accelerated share repurchases received							2,000,000
Open market share repurchase	3,300,000	1,800,000		1,600,000
Open market share repurchase amount	$ 300,100,000			$ 130,000,000
Payment for share repurchase	$ 70,800,000	$ 70,300,000