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Fair Value Measurements (Details 2) - Recurring - Significant Unobservable Inputs (Level 3) - Mortgage servicing rights - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Fair value of assets        
Balance at beginning of period $ 2,662 $ 3,040 $ 2,762 $ 3,036
Total gains or losses (realized/unrealized) Included in earnings (42) (201) (262) (247)
Total gains or losses (realized/unrealized) Included in other comprehensive income 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Issues 107 72 227 122
Settlements 0 0 0 0
Balance at end of period $ 2,727 $ 2,911 $ 2,727 $ 2,911