XML 154 R140.htm IDEA: XBRL DOCUMENT v3.7.0.1
Guarantees (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Guarantee Obligations [Line Items]      
Acquired standby letters of credit and financial guarantees $ 2,000,000 $ 14,700,000  
Unpaid principal balance of residential subject loans subject to credit recourse 20,100,000 22,400,000  
Repurchased GNMA 515,000    
Liability for estimated credit losses to loans sold with credit recourse 710,000 439,000  
Repurchased loans not subject to credit recourse provision 3,700,000 22,100,000  
Losses from repurchased loans subject to credit recourse 380,000 1,400,000 $ 143,000
Losses On Repurchased Loan Not Subject To Credit Recourse 1,300,000 2,500,000 $ 2,500,000
Serviced mortgage loans for third parties 799,700,000    
Funds Advanced To Investors Under Servicing Agreements $ 334,000 $ 301,000