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Deposits - Summary of Deposit Balances (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deposits [Abstract]    
Noninterest-bearing checking accounts $ 1,724,772 $ 1,597,262
Interest-bearing checking and money market accounts 2,952,705 2,627,669
Savings deposits 804,451 700,480
Retail certificates of deposit less than $250,000 636,477 912,006
Retail certificates of deposit greater than and equal to $250,000 163,646 210,424
Total $ 6,282,051 $ 6,047,841