XML 81 R71.htm IDEA: XBRL DOCUMENT v3.21.1
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Financial Assets:      
Cash and cash equivalents, Carrying Value $ 2,722,915 $ 1,947,931 $ 741,870
Cash and cash equivalents, Estimated Fair Value 2,722,915 1,947,931  
FHLB stock, Carrying Value 698,984 [1] 714,005 [2]  
FHLB stock, Estimated Fair Value 698,984 [1] 714,005 [2]  
Loans, net, Carrying Value 43,068,816 42,806,691  
Loans, net, Estimated Fair Value 42,433,118 42,376,214  
Financial Liabilities:      
Deposits, Carrying Value 34,197,136 32,436,813  
Deposits, Estimated Fair Value 34,215,071 32,466,013  
Borrowed funds, Carrying Value 15,758,787 16,083,544  
Borrowed funds, Estimated Fair Value 16,475,503 16,794,338  
Quoted Prices in Active Markets for Identical Assets (Level 1)      
Financial Assets:      
Cash and cash equivalents, Carrying Value 2,722,915 1,947,931  
Financial Liabilities:      
Deposits, Carrying Value 24,582,838 [3] 22,106,133 [4]  
Significant Other Observable Inputs (Level 2)      
Financial Assets:      
FHLB stock, Carrying Value 698,984 [1] 714,005 [2]  
Financial Liabilities:      
Deposits, Carrying Value 9,632,233 [5] 10,359,880 [6]  
Borrowed funds, Carrying Value 16,475,503 16,794,338  
Significant Unobservable Inputs (Level 3)      
Financial Assets:      
Loans, net, Carrying Value $ 42,433,118 $ 42,376,214  
[1] Carrying value and estimated fair value are at cost.
[2] Carrying value and estimated fair value are at cost.
[3] Interest-bearing checking and money market accounts, savings accounts, and non-interest-bearing accounts.
[4] Interest-bearing checking and money market accounts, savings accounts, and non-interest-bearing accounts.
[5] Certificates of deposit.
[6] Certificates of deposit.