Note 13 - Senior Notes Payable (Details) (USD $)	3 Months Ended
Mar. 31, 2015
Note 13 - Senior Notes Payable (Details) [Line Items]
Maximum Carve-out In Credit Facility Indebtedness (in Dollars)	$ 1,100,000,000
Debt Instrument, Repurchase Price, Percentage	100.00%
1¼% Convertible Senior Notes Due August 2032 [Member]
Note 13 - Senior Notes Payable (Details) [Line Items]
Debt Instrument, Convertible, Conversion Ratio	123.7662
Debt Instrument, Convertible, Principal Amount Used In Conversion Rate Calculation (in Dollars)	$ 1,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)	$ 8.08
Debt Instrument, Redemption Price, Percentage	100.00%

Debt instrument, convertible, principal amount used in conversion rate calculation.

No definition available.

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- Definition

Percentage price of original principal amount of debt at which debt may be required to be repurchased by the company.

+ References

No definition available.

+ Details

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- Definition

Maximum Carve-out In Credit Facility Indebtedness.

+ References

No definition available.

+ Details

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Namespace Prefix:	spf_
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- Details

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

+ Details

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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

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-Subparagraph (SX 210.5-02.22(a)(5))

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Conversion Rate

-URI http://asc.fasb.org/extlink&oid=6509012

+ Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph e

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Details

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