Deposits - Summary of Deposit Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Interest and Noninterest Bearing Domestic Deposit Liabilities To Deposit Liabilities [Abstract]
Noninterest-bearing demand	$ 2,330,550	$ 1,732,452
Interest-bearing checking	2,620,349	2,219,658
Money market	1,639,001	1,577,385
Savings	1,147,862	677,101
Certificates of deposit $250 thousand and under	620,720	623,393
Certificates of deposit over $250 thousand	143,322	135,834
Deposits	$ 8,501,804	$ 6,965,823
Percentage Of Interest and Noninterest Bearing Domestic Deposit Liabilities To Deposit Liabilities [Abstract]
Noninterest-bearing demand	27.40%	24.90%
Interest-bearing checking	30.80%	31.90%
Money market	19.30%	22.60%
Savings	13.50%	9.70%
Certificates of deposit $250 thousand and under	7.30%	8.90%
Certificates of deposit over $250 thousand	1.70%	2.00%
Total deposits	100.00%	100.00%