Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended
	Oct. 05, 2021	Jun. 15, 2021	Sep. 30, 2021
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock, par value (in dollars per share)			$ 0.01
Net proceeds, after underwriting discounts and expenses			$ 175,487
ASU No. 2019-12
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adoption Date			Dec. 15, 2020
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]			true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]			true
Depositary Shares
Summary Of Significant Accounting Policies [Line Items]
Preferred Stock Issued, Net (in shares)		7,200,000
Preferred stock, redemption price per share		$ 25
Depositary Shares | Subsequent Event
Summary Of Significant Accounting Policies [Line Items]
Cash dividend declared per share	$ 0.2735
4.375% Fixed Rate Non Cumulative Perpetual Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
Percentage of ownership interest in share		0.025%
Series A Preferred Stock
Summary Of Significant Accounting Policies [Line Items]
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, dividend rate, percentage per annum		4.375%
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 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
Preferred Stock, redemption date		Aug. 01, 2026
Series A Preferred Stock | Subsequent Event
Summary Of Significant Accounting Policies [Line Items]
Cash dividend declared per share	$ 10.94
Dividends payable, date to be paid	Nov. 01, 2021
Dividends payable, date of record	Oct. 18, 2021