Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2021

Mortgage Servicing Rights

Schedule of estimated future amortization expense for MSRs

	Estimated
(dollars in thousands)	Amortization
Under one year	$	2,013
One to two years		1,615
Two to three years		1,323
Three to four years		1,100
Four to five years		924

Schedule of details of the Company's MSRs

	March 31,		December 31,
(dollars in thousands)	2021		2020
Gross carrying amount	$	68,540	$	67,856
Less: accumulated amortization		57,671		57,125
Net carrying value	$	10,869	$	10,731

Schedule of changes in amortized MSRs

	Three Months Ended March 31,
(dollars in thousands)	2021		2020
Balance at beginning of period	$	10,731	$	12,668
Originations		683		1,291
Amortization		(545)		(1,980)
Balance at end of period	$	10,869	$	11,979
Fair value of amortized MSRs at beginning of period	$	14,029	$	20,329
Fair value of amortized MSRs at end of period	$	14,921	$	17,615

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

	March 31, 2021							December 31, 2020
						Weighted							Weighted
	Range					Average		Range					Average
Conditional prepayment rate	12.79	%	-	27.09	%	14.18	%	11.86	%	-	26.52	%	16.90	%
Life in years (of the MSR)	1.86		-	6.31		5.17		1.83		-	6.68		4.45
Weighted-average coupon rate	3.41	%	-	6.91	%	3.79	%	3.24	%	-	6.98	%	3.84	%
Discount rate	10.00	%	-	10.00	%	10.00	%	10.00	%	-	10.00	%	10.00	%