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Guarantees - Indemnification, Representations and Warranties related to loans sold - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Securitization | Guarantee on loans sold or serviced with representation and warranties
Guarantor Obligations
Repurchased Loans	$ 0	$ 1,000,000	$ 0	$ 10,000,000

X

- Definition

Unpaid principal amount of loans repurchased under credit recourse provisions or representations, warranty arrangements and GNMA buy-back options.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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