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Mortgage Banking (Tables)
 6 Months Ended
Jun. 30, 2018
Mortgage Banking [Abstract]  
Mortgage Loans [Table Text Block]
Net revenues from the sales and servicing of mortgage loans consisted of the following:
 
 
 
Three Months Ended
June 30,
 
 
Six Months Ended
June 30,
 
 
 
2018
 
 
2017
 
 
2018
 
 
2017
 
 
 
(In Thousands)
 
Gain from sale of mortgage loans
 
$
1,383
 
 
$
1,293
 
 
$
2,464
 
 
$
2,377
 
Mortgage loans servicing revenue (expense):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage loans servicing revenue
 
 
933
 
 
 
924
 
 
 
1,877
 
 
 
1,858
 
Amortization of mortgage servicing rights
 
 
(350
)
 
 
(403
)
 
 
(669
)
 
 
(715
)
Mortgage servicing rights valuation adjustments
 
 
47
 
 
 
16
 
 
 
83
 
 
 
48
 
 
 
 
630
 
 
 
537
 
 
 
1,291
 
 
 
1,191
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net revenue from sale and servicing of mortgage loans
 
$
2,013
 
 
$
1,830
 
 
$
3,755
 
 
$
3,568
 
Capitalized Mortgage and Valuation Allowance [Table Text Block]
Activity for capitalized mortgage servicing rights and the related valuation allowance follows for the three and six months ended June 30, 2018 and 2017:
 
 
 
Three Months Ended
June 30,
 
 
Six Months Ended
June 30,
 
 
 
2018
 
 
2017
 
 
2018
 
 
2017
 
 
 
(In Thousands)
 
Mortgage servicing assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at beginning of period
 
$
10,245
 
 
$
10,161
 
 
$
10,240
 
 
$
10,117
 
Loans sold, servicing retained
 
 
402
 
 
 
396
 
 
 
726
 
 
 
752
 
Amortization
 
 
(350
)
 
 
(403
)
 
 
(669
)
 
 
(715
)
Carrying value before valuation allowance at end of period
 
 
10,297
 
 
 
10,154
 
 
 
10,297
 
 
 
10,154
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Valuation allowance:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at beginning of period
 
 
(396
)
 
 
(490
)
 
 
(432
)
 
 
(522
)
Impairment recovery (charges)
 
 
47
 
 
 
16
 
 
 
83
 
 
 
48
 
Balance at end of period
 
 
(349
)
 
 
(474
)
 
 
(349
)
 
 
(474
)
Net carrying value of MSRs at end of period
 
$
9,948
 
 
$
9,680
 
 
$
9,948
 
 
$
9,680
 
Fair value of MSRs at end of period
 
$
10,488
 
 
$
9,813
 
 
$
10,488
 
 
$
9,813