XML 101 R89.htm IDEA: XBRL DOCUMENT v3.7.0.1
11) Mortgage Servicing Rights: Summary of Unpaid Principal Balances of the Servicing Portfolio (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Details    
Servicing Unpaid Principal Balance $ 2,744,354,316 $ 2,720,441,340