Mortgage Servicing Rights (Tables)

6 Months Ended

Jun. 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	19,425
Amortization	(6,637)
Valuation adjustment	(14,522)
Balance at June 30, 2020	$	51,474

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:

	June 30, 2020			December 31, 2019
Unpaid principal balance	$	5,942,477		$	4,871,155
Weighted-average prepayment speed (CPR)	14.67		%	11.48		%
Estimated impact of a 10% increase	$	(1,793)		$	(2,469)
Estimated impact of a 20% increase	(3,464)			(4,774)
Discount rate	9.88		%	9.69		%
Estimated impact of a 10% increase	$	(4,685)		$	(2,027)
Estimated impact of a 20% increase	(6,176)			(3,908)
Weighted-average coupon interest rate	3.85		%	4.04		%
Weighted-average servicing fee (basis points)	29.71			29.20
Weighted-average remaining maturity (in years)	5.29			6.35