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Loan Servicing (Tables)
 6 Months Ended
Jun. 30, 2017
Transfers and Servicing of Financial Assets [Abstract]  
Activity For MSRs And Related Valuation Allowance
Activity for MSRs and the related valuation allowance follows:
 
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(In thousands)
 
2017
 
2016
 
2017
 
2016
Mortgage servicing rights:
 
 
 
 
 
 
 
 
Carrying amount, net, beginning of period
 
$
9,321

 
$
8,949

 
$
9,266

 
$
9,008

Additions
 
521

 
555

 
875

 
871

Amortization
 
(407
)
 
(415
)
 
(765
)
 
(790
)
Changes in valuation allowance
 
41

 
(209
)
 
100

 
(209
)
Carrying amount, net, end of period
 
$
9,476

 
$
8,880

 
$
9,476

 
$
8,880

 
 
 
 
 
 
 
 
 
Valuation allowance:
 
 
 
 
 
 
 
 
Beginning of period
 
$
676

 
$
542

 
$
735

 
$
542

Changes in valuation allowance
 
(41
)
 
209

 
(100
)
 
209

End of period
 
$
635

 
$
751

 
$
635

 
$
751