Deposits - Certificates of Deposits Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Time Deposits, Fiscal Year Maturity [Abstract]
One year or less	$ 4,407,370	$ 5,728,556
After one year to two years	2,297,955	3,363,022
After two years to three years	1,299,461	1,603,229
After three years to four years	299,737	553,911
After four years to five years	1,042,065	300,346
After five years	47,413	48,202
Total	$ 9,394,001	$ 11,597,266