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Shareholders' Equity and Other Comprehensive Income - Summary of Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jul. 01, 2019
Jun. 21, 2018
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]          
Proceeds from issuance of stock     $ 0 $ 0 $ 342,005
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D          
Class of Stock [Line Items]          
Proceeds from issuance of stock   $ 200,000      
Net Proceeds   $ 195,100      
Liquidation preference (in dollars per share)   $ 25      
Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E          
Class of Stock [Line Items]          
Proceeds from issuance of stock $ 350,000        
Net Proceeds $ 342,000        
Liquidation preference (in dollars per share) $ 25        
Up to and Excluding June 21, 2023 | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D          
Class of Stock [Line Items]          
Dividend rate, percentage   6.30%      
From and Including June 21, 2023 | Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series D          
Class of Stock [Line Items]          
Dividend rate, percentage   3.352%      
Until July 1, 2024 (Excluding July 1, 2024) | Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E          
Class of Stock [Line Items]          
Dividend rate, percentage 5.875%   5.875%    
From July 1, 2024 (Including July 1, 2024) | Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series E          
Class of Stock [Line Items]          
Dividend rate, percentage     4.127%