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Deposits - Summary of Major Types of Deposits (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Banking and Thrift, Other Disclosures [Abstract]    
Non-interest-bearing $ 2,444,833 $ 2,412,056
Interest-bearing checking 4,287,745 4,201,736
Money market deposit 811,588 736,090
Savings 1,624,751 1,607,933
Time deposits 887,316 775,001
Total deposits $ 10,056,233 $ 9,732,816