Deposits - Summary of Deposit Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Interest and Noninterest Bearing Domestic Deposit Liabilities To Deposit Liabilities [Abstract]
Noninterest-bearing demand	$ 1,732,452	$ 1,510,224
Interest-bearing checking	2,219,658	2,057,052
Money market	1,577,385	1,225,890
Savings	677,101	584,361
Certificates of deposit $250 thousand and under	623,393	895,056
Certificates of deposit over $250 thousand	135,834	183,200
Total deposits	$ 6,965,823	$ 6,455,783
Percentage Of Interest and Noninterest Bearing Domestic Deposit Liabilities To Deposit Liabilities [Abstract]
Noninterest-bearing demand	24.90%	23.40%
Interest-bearing checking	31.90%	31.90%
Money market	22.60%	19.00%
Savings	9.70%	9.10%
Certificates of deposit $250 thousand and under	8.90%	13.80%
Certificates of deposit over $250 thousand	2.00%	2.80%
Total deposits	100.00%	100.00%