Mortgage Servicing Rights (Tables)

3 Months Ended

Mar. 31, 2021

Transfers and Servicing [Abstract]

Changes in the company's MSRs

Changes in the Company’s MSRs were as follows: 

Balance at January 1, 2021	$	62,994
Capitalization	9,409
Amortization	(5,701)
Valuation adjustment	13,561
Balance at March 31, 2021	$	80,263

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:

	March 31, 2021			December 31, 2020
Unpaid principal balance	$	7,776,998		$	7,322,671
Weighted-average prepayment speed (CPR)	11.53		%	15.05		%
Estimated impact of a 10% increase	$	(3,776)		$	(4,001)
Estimated impact of a 20% increase	(7,330)			(7,674)
Discount rate	9.84		%	9.86		%
Estimated impact of a 10% increase	$	(3,163)		$	(2,144)
Estimated impact of a 20% increase	(6,097)			(4,144)
Weighted-average coupon interest rate	3.46		%	3.58		%
Weighted-average servicing fee (basis points)	30.32			29.94
Weighted-average remaining maturity (in years)	6.37			5.14