XML 200 R85.htm IDEA: XBRL DOCUMENT v3.21.2
Deposits - Weighted Average Interest Rates for Each Type of Deposit (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deposits:      
Interest-bearing checking and money market accounts $ 12,665,002 $ 12,610,073 $ 10,230,144
Savings accounts 7,043,602 6,415,608 4,780,007
Certificates of deposit 9,614,298 10,330,680 14,214,858
Non-interest-bearing accounts 4,874,234 3,080,452 2,432,123
Total deposits $ 34,197,136 $ 32,436,813 $ 31,657,132
Percent of Total      
Interest-bearing checking and money market accounts   38.87% 32.32%
Savings accounts   19.78% 15.10%
Certificates of deposit   31.85% 44.90%
Non-interest-bearing accounts   9.50% 7.68%
Total deposits   100.00% 100.00%
Weighted Average Interest Rate      
Interest-bearing checking and money market accounts, weighted average interest rate   0.28% 1.30%
Savings accounts, weighted average interest rate   0.41% 0.75%
Certificates of deposit, weighted average interest rate   0.83% 2.30%
Total deposits, weighted average interest rate   0.45% 1.57%