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Acquisition (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Feb. 01, 2021
Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]      
Liabilities $ 29,202,396   $ 25,903,491
Civic      
Loans and Leases Receivable Disclosure [Line Items]      
Business Combination, Acquired Receivable, Fair Value $ 289,500    
Liabilities   $ 148,782