XML 136 R121.htm IDEA: XBRL DOCUMENT v3.6.0.2
Changes in Fair Value of Loans Held for Sale (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
 [2]
Dec. 31, 2014
 [2]
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage Banking Income [1] $ (33,069) $ (6,082) $ (26,580)
Loans held for sale      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage Banking Income [1] (5,616) (472) 4,961
Mortgage servicing rights      
Fair Value, Option, Quantitative Disclosures [Line Items]      
Mortgage Banking Income [1] $ (27,453) $ (5,610) $ (31,541)
[1] Does not include the effect of hedging activities, which is included in "Other non-interest income."
[2] The presentation of the 2015 and 2014 amounts has been modified to conform with the 2016 presentation.