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Mortgage Servicing Rights (Tables)
6 Months Ended
Jun. 30, 2019
Schedule of estimated future amortization expense for mortgage servicing assets

Estimated

(dollars in thousands)

  

Amortization

Under one year

$

2,254

One to two years

1,950

Two to three years

1,687

Three to four years

1,463

Four to five years

1,269

Schedule of gross carrying values, accumulated amortization, and net carrying values of mortgage servicing assets

June 30, 

December 31, 

(dollars in thousands)

  

2019

  

2018

Gross carrying amount

$

63,366

$

63,342

Less: accumulated amortization

48,793

47,187

Net carrying value

$

14,573

$

16,155

Schedule of changes in amortized mortgage servicing assets

Three Months Ended June 30, 

Six Months Ended June 30, 

(dollars in thousands)

  

2019

  

2018

  

2019

  

2018

Balance at beginning of period

$

15,399

$

18,659

$

16,155

$

13,196

Originations

16

21

24

28

Purchases

6,444

Amortization

(842)

(1,020)

(1,606)

(2,008)

Balance at end of period

$

14,573

$

17,660

$

14,573

$

17,660

Fair value of amortized MSRs at beginning of period

$

26,383

$

29,048

$

27,662

$

21,697

Fair value of amortized MSRs at end of period

$

23,398

$

28,344

$

23,398

$

28,344

Schedule of quantitative assumptions used in determining lower of cost or fair value of MSRs

June 30, 2019

December 31, 2018

Weighted

Weighted

  

Range

Average

Range

Average

Conditional prepayment rate

9.57

%

-

22.35

%

10.01

%

7.86

%

-

19.26

%

8.31

%

Life in years (of the MSR)

2.16

-

6.85

6.44

3.43

-

7.68

7.19

Weighted-average coupon rate

3.96

%

-

7.38

%

4.02

%

3.97

%

-

6.70

%

4.02

%

Discount rate

10.00

%

-

10.01

%

10.00

%

10.00

%

-

10.02

%

10.00

%