Shareholders' Equity - Additional Information (Details) $ / shares in Units, $ in Thousands		12 Months Ended			246 Months Ended
	Jun. 15, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) yr $ / shares shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares
Dividends
Number of prior calendar years considered for payment of dividends in excess of the sum of net income | yr		2
Common Stock Repurchase Program
Number of shares of common stock repurchased | shares		328,832			57,400,000
Amount returned to shareholders on stock repurchase | $		$ 31,258	$ 18,006	$ 137,649	$ 2,300,000
Average cost of shares repurchased (in dollars per share)		$ 83.14			$ 40.76
Treasury Stock Value Acquired Cost Method Share Repurchase Program | $		$ 27,300
Preferred Stock, par value (in dollars per share)		$ 0.01			$ 0.01
Net proceeds, after underwriting discounts and expenses | $		$ 175,487
Depositary Shares
Common Stock Repurchase Program
Shares issued and sold | shares	7,200,000
Preferred stock, redemption price per share	$ 25
4.375% Fixed Rate Non-Cumulative Perpetual Preferred Stock
Common Stock Repurchase Program
Percentage of ownership interest in share	0.025%
Series A Preferred Stock
Common Stock Repurchase Program
Preferred stock, dividend rate, percentage per annum	4.375%
Preferred Stock, par value (in dollars per share)	$ 0.01
Preferred stock, liquidation preference per share	$ 1,000
Net proceeds, after underwriting discounts and expenses | $	$ 175,500
Preferred stock, voting rights	Holders of the Series A Preferred Stock will not have voting rights
Preferred stock, redemption price per share	$ 1,000
Preferred Stock, redemption date	Aug. 01, 2026
Preferred Stock, Redemption Terms	The Company may redeem the Series A Preferred Stock at its option, (i) in whole or in part, from time to time, on any dividend payment date on or after August 1, 2026 or (ii) in whole but not in part, at any time within 90 days following a regulatory capital treatment event, in either case at a redemption price equal to $1,000 per share (equivalent to $25 per depositary share), plus any declared and unpaid dividends.
Accounting Standards Update 2016-13
Class Of Stock [Line Items]
Percentage of allowance for credit losses after-tax		25.00%
Regulatory capital commencing period		Jan. 01, 2022
Percentage of allowance for credit losses pre-tax		25.00%
Percentage of cumulative adjustment to allowance for credit losses		25.00%
Minimum
Class Of Stock [Line Items]
Additional Tier 1 capital ratio		2.5			2.5