Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2023

Other Assets.

Schedule of estimated future amortization expense for MSRs

	Estimated
(dollars in thousands)	Amortization
Under one year	$	910
One to two years		809
Two to three years		718
Three to four years		634
Four to five years		560

Schedule of details of the Company's MSRs

	March 31,		December 31,
(dollars in thousands)	2023		2022
Gross carrying amount	$	69,290	$	69,273
Less: accumulated amortization		62,991		62,711
Net carrying value	$	6,299	$	6,562

Schedule of changes in amortized MSRs

	Three Months Ended March 31,
(dollars in thousands)	2023		2022
Balance at beginning of period	$	6,562	$	8,302
Originations		17		84
Amortization		(280)		(736)
Balance at end of period	$	6,299	$	7,650
Fair value of amortized MSRs at beginning of period	$	15,193	$	12,243
Fair value of amortized MSRs at end of period	$	15,169	$	13,585

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

	March 31, 2023							December 31, 2022
						Weighted							Weighted
	Range					Average		Range					Average
Conditional prepayment rate	6.92	%	-	12.25	%	7.04	%	7.02	%	-	13.58	%	7.11	%
Life in years (of the MSR)	3.61		-	7.33		7.18		3.35		-	7.37		7.20
Weighted-average coupon rate	3.55	%	-	6.16	%	3.68	%	3.55	%	-	6.24	%	3.68	%
Discount rate	10.40	%	-	10.57	%	10.52	%	10.41	%	-	10.54	%	10.51	%