Subsequent Event (Details) - Subsequent Event [Member] $ in Millions	Nov. 02, 2017 USD ($)
Subsequent Event [Line Items]
Value of loans held-for-sale, subsequently returned to loans held-for-investment portfolio	$ 47.4
Valuation allowance of loans held-for-sale, subsequently returned to loans held-for-investment portfolio	15.3
Estimated pretax charge for transfer of loans returned to held-for-investment portfolio	$ 0.5

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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