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MORTGAGE SERVICING RIGHTS - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Bank Servicing
Servicing Assets at Fair Value [Line Items]
Service income fee	$ 7,900,000	$ 16,400,000	$ 14,800,000	$ 39,200,000
Interest in MSRs
Servicing Assets at Fair Value [Line Items]
Service income fee	$ 2,000,000.0	$ 0	$ 2,000,000.0	$ 0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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+ References

No definition available.

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