Mortgage Servicing Rights (Tables)

9 Months Ended

Sep. 30, 2020

Transfers and Servicing [Abstract]

Changes in the company's MSRs

Changes in the Company’s MSRs were as follows: 

Balance at January 1, 2020	$	53,208
Capitalization	30,589
Amortization	(12,503)
Valuation adjustment	(13,694)
Balance at September 30, 2020	$	57,600

Data and key economic assumptions related to the Company's MSRs

Data and key economic assumptions related to the Company’s MSRs are as follows as of the dates presented:

	September 30, 2020			December 31, 2019
Unpaid principal balance	$	6,680,256		$	4,871,155
Weighted-average prepayment speed (CPR)	15.09		%	11.48		%
Estimated impact of a 10% increase	$	(3,606)		$	(2,469)
Estimated impact of a 20% increase	(6,921)			(4,774)
Discount rate	9.88		%	9.69		%
Estimated impact of a 10% increase	$	(1,957)		$	(2,027)
Estimated impact of a 20% increase	(3,784)			(3,908)
Weighted-average coupon interest rate	3.71		%	4.04		%
Weighted-average servicing fee (basis points)	29.94			29.20
Weighted-average remaining maturity (in years)	5.16			6.35