XML 103 R87.htm IDEA: XBRL DOCUMENT v3.22.0.1
Deposits - Composition of Deposits (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Noninterest-bearing Deposit Liabilities [Abstract]    
Noninterest-bearing deposits $ 8,104,056 $ 7,455,387
Interest-bearing deposits:    
Investment checking 655,333 517,976
Money market 3,342,531 2,869,348
Savings 546,840 492,096
Time deposits 327,682 401,694
Total deposits $ 12,976,442 $ 11,736,501
Noninterest-bearing deposits, percentage of total deposits 62.45% 63.52%
Investment checking, percentage of total deposits 5.05% 4.42%
Money market, percentage of total deposits 25.76% 24.45%
Savings, percentage of total deposits 4.21% 4.19%
Time deposits, percentage of total deposits 2.53% 3.42%
Percentage of deposit, total 100.00% 100.00%