XML 89 R71.htm IDEA: XBRL DOCUMENT v3.7.0.1
Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Changes in mortgage servicing rights      
Balance at beginning of year $ 2,847    
Changes in fair value:      
Balance at end of year 2,584 $ 2,847  
Mortgage servicing rights (MSRs)      
Changes in mortgage servicing rights      
Balance at beginning of year 2,847 2,762 $ 3,036
Originated mortgage servicing rights 266 386 302
Changes in fair value:      
Due to change in model inputs and assumptions [1] 108 372 66
Other changes in fair value [2] (637) (673) (642)
Balance at end of year $ 2,584 $ 2,847 $ 2,762
[1] The change in fair value resulting from changes in valuation inputs or assumptions used in the valuation model reflects the change in discount rates and prepayment speed assumptions primarily due to changes in interest rates.
[2] Other changes in fair value reflect changes due to customer payments and passage of time.