XML 23 R64.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Certain Transfers of Financial Assets (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for sale $ 2,568,362,000 $ 1,949,785,000 $ 1,012,580,000
Loans that have the unilateral right to repurchase 47,709,000    
Estimated exposure related to servicing assets 3,600,000 1,600,000  
Principal amount outstanding of loans in servicing portfolio 6,700,000,000 3,900,000,000  
Escrow deposits related to servicing portfolio 63,700,000 37,900,000  
Losses due to repurchase indemnification and make-whole obligations 9,000,000.0 258,000  
Greater Than 90 Days      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for sale 8,200,000 16,800,000  
Loans that have the unilateral right to repurchase 17,584,000    
Mortgage servicing rights      
Loans and Leases Receivable Disclosure [Line Items]      
Impairment charges 5,800,000    
Government guarantees | Greater Than 90 Days      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for sale 6,000,000.0 $ 16,000,000.0  
Non-accrual      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for sale 0    
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Government guarantees | Maturity Greater than 90 Days [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans that have the unilateral right to repurchase $ 1,900,000