XML 122 R111.htm IDEA: XBRL DOCUMENT v3.7.0.1
Guarantees (Narrative) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Guarantee Obligations [Line Items]          
Acquired standby letters of credit and financial guarantees $ 13,400,000   $ 13,400,000   $ 4,000,000
Unpaid principal balance of residential subject loans subject to credit recourse 6,600,000   6,600,000   20,100,000
Repurchased GNMA 66,000 $ 83,000 107,000 $ 288,000  
Liability for estimated credit losses to loans sold with credit recourse 459,000   459,000   710,000
Repurchased loans not subject to credit recourse provision 1,400,000 817,000 2,300,000 2,300,000  
Losses from repurchased loans subject to credit recourse 254,000 92,000 354,000 111,000  
Losses On Repurchased Loan Not Subject To Credit Recourse 283,000 $ 329,000 590,000 $ 830,000  
Serviced mortgage loans for third parties 845,700,000   845,700,000    
Funds Advanced To Investors Under Servicing Agreements $ 366,000   $ 366,000   $ 334,000