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MORTGAGE SERVICING RIGHTS (Tables)
12 Months Ended
Dec. 31, 2021
Transfers and Servicing [Abstract]  
Presentation of Activity Related to MSR
The following table presents activity related to MSR and Interests in MSR for the years ended December 31, 2021 and 2020:  
  Mortgage Servicing RightsDecember 31, 2021December 31, 2020
 (dollars in thousands)
Fair value, beginning of period$100,895 $378,078 
Purchases (1)
468,196 — 
Sales(82,176)(72,160)
Change in fair value due to
Changes in valuation inputs or assumptions (2)
120,879 (107,517)
Other changes, including realization of expected cash flows(63,232)(97,506)
Fair value, end of period$544,562 $100,895 
(1) Includes adjustments to original purchase price from early payoffs, defaults, or loans that were delivered but were deemed to not be acceptable.
(2) Principally represents changes in discount rates and prepayment speed inputs used in valuation model, primarily due to changes in interest rates.
Interests in MSRDecember 31, 2021
(dollars in thousands)
Beginning balance$ 
Purchases (1)
65,107 
Gain (loss) included in net income4,209 
Ending balance December 31, 2021
$69,316 
(1) Includes adjustments to original purchase price from early payoffs, defaults, or loans that were delivered but were deemed to not be acceptable.