Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2021

Transfers and Servicing [Abstract]

Schedule of Unpaid Principal Loan Balance of Servicing Portfolio

The unpaid principal loan balance of our servicing portfolio is presented in the following table as of December 31,:

	2021		2020
Federal National Mortgage Association	$	2,352,981	$	2,117,703
Federal Home Loan Mortgage Corporation	1,512,858		948,934
Government National Mortgage Association	759,524		722,138
Federal Home Loan Bank	134,616		245,246
Other	1,853		2,144
Total	$	4,761,832	$	4,036,165

Schedule of Mortgage Servicing Rights at Fair Value

The activity of MSRs carried at fair value is as follows for the years ended December 31,:

	2021		2020		2019
Balance, beginning of year	$	29,144	$	29,003	$	26,188
Additions:
Servicing resulting from transfers of financial assets	23,854		22,421		14,745
Changes in fair value:
Due to changes in valuation inputs or assumptions used in the valuation model	6,093		(13,798)		(5,977)
Changes in fair value due to pay-offs, pay-downs, and runoff	(11,699)		(8,482)		(5,953)
Balance, end of year	$	47,392	$	29,144	$	29,003

Schedule of Fair Value Assumptions, Servicing Assets

The following represents the weighted-average key assumptions used to estimate the fair value of MSRs as of December 31,:

	2021		2020		2019
Discount rate	9.22	%	9.12	%	9.29	%
Total prepayment speeds	11.52	%	16.99	%	13.01	%
Cost of servicing each loan	$85/per loan		$85/per loan		$86/per loan

Schedule of Servicing and Ancillary Fees from Mortgage Servicing Portfolio

Total servicing and ancillary fees earned from the mortgage servicing portfolio is presented in the following table for the years ended December 31,:

	2021		2020		2019
Servicing fees	$	12,092	$	9,426	$	7,385
Late and ancillary fees	433		372		415
Total	$	12,525	$	9,798	$	7,800