Mortgage Servicing Rights (Tables)

9 Months Ended

Sep. 30, 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	26,532
Amortization	(16,700)
Valuation adjustment	13,561
Balance at September 30, 2021	$	86,387

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, 2021			December 31, 2020
Unpaid principal balance	$	8,470,973		$	7,322,671
Weighted-average prepayment speed (CPR)	11.68		%	15.05		%
Estimated impact of a 10% increase	$	(4,258)		$	(4,001)
Estimated impact of a 20% increase	(8,254)			(7,674)
Discount rate	9.83		%	9.86		%
Estimated impact of a 10% increase	$	(3,381)		$	(2,144)
Estimated impact of a 20% increase	(6,520)			(4,144)
Weighted-average coupon interest rate	3.33		%	3.58		%
Weighted-average servicing fee (basis points)	30.52			29.94
Weighted-average remaining maturity (in years)	6.23			5.14