Deposits - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deposits [Abstract]
Total time deposits	$ 1,662,063	$ 1,802,431
Government entity deposits	1,500,000	1,200,000
Total time deposits100,000 or more	$ 1,388,382	$ 1,500,000