Name:	spfi_LoansHeldForSaleAggregateUnpaidPrincipalBalanceFairValueDisclosure
Namespace Prefix:	spfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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This item represents the estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit risk arising from loans and other receivables held as assets.

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Period Type:	duration

This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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- References

No definition available.

Name:	us-gaap_FairValueOptionLoansHeldAsAssetsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

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Name:	us-gaap_FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatus
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For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are 90 days or more past due, in nonaccrual status, or both.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_FairValueOptionLoansHeldAsAssetsAggregateDifference
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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