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Mortgage Loan Servicing, Origination, and Loans Held for Sale (Tables)
3 Months Ended
Mar. 31, 2026
Mortgage Loan Servicing, Origination, and Loans Held for Sale  
Summary of changes in the fair value of MSRs and its offsetting hedge

Three Months Ended

(Dollars in thousands)

  ​ ​ ​

March 31, 2026

  ​ ​ ​

March 31, 2025

Increase/(decrease) in fair value of MSRs

$

6,563

$

(3,081)

Decay of MSRs

 

(2,205)

 

(1,028)

(Loss) gain related to derivatives

(1,726)

2,340

Net effect on Consolidated Statements of Income

$

2,632

$

(1,769)

Schedule of characteristics and sensitivity analysis of the MSR

The characteristics and sensitivity analysis of the MSRs are included in the following table.

March 31,

December 31,

(Dollars in thousands)

  ​ ​ ​

2026

  ​ ​

  ​ ​ ​

2025

  ​ ​

  ​ ​

Composition of residential loans serviced for others

Fixed-rate mortgage loans

100.0

%  

100.0

%  

Adjustable-rate mortgage loans

%  

%  

Total

100.0

%  

100.0

%  

Weighted average life

7.5

years

7.5

years  

Constant Prepayment rate (CPR)

7.9

%  

7.9

%  

Estimated impact on fair value of a 10% increase

$

(1,210)

$

(1,082)

Estimated impact on fair value of a 20% increase

(2,469)

(2,101)

Estimated impact on fair value of a 10% decrease

1,292

1,142

Estimated impact on fair value of a 20% decrease

2,670

2,333

Weighted average discount rate

9.5

%  

10.7

%  

Estimated impact on fair value of a 10% increase

$

(3,695)

$

(3,140)

Estimated impact on fair value of a 20% increase

(7,098)

(6,208)

Estimated impact on fair value of a 10% decrease

4,021

3,105

Estimated impact on fair value of a 20% decrease

8,411

5,982

Effect on fair value due to change in interest rates

25 basis point increase

$

3,265

$

2,505

50 basis point increase

6,509

4,822

25 basis point decrease

(3,219)

(2,599)

50 basis point decrease

(6,312)

(5,128)