XML 78 R61.htm IDEA: XBRL DOCUMENT v3.22.0.1
Significant Accounting Policies - Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Apr. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Income taxes receivable, net $ 239,578 $ 374,706  
Navient      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Deferred tax asset discount     $ 27,000
Deferred tax liability 5,000    
Income taxes receivable, net $ 5,000   $ 291,000