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Note 6 - Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Note 6 - Restricted Cash (Details) [Line Items]    
Restricted Cash and Cash Equivalents $ 40,500us-gaap_RestrictedCashAndCashEquivalents  
Homebuilding [Member]    
Note 6 - Restricted Cash (Details) [Line Items]    
Restricted Cash and Cash Equivalents 39,241us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_StatementBusinessSegmentsAxis
= spf_HomebuildingMember		 38,222us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_StatementBusinessSegmentsAxis
= spf_HomebuildingMember
Financial Services [Member]    
Note 6 - Restricted Cash (Details) [Line Items]    
Restricted Cash and Cash Equivalents $ 1,295us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_StatementBusinessSegmentsAxis
= spf_FinancialServicesMember		 $ 1,295us-gaap_RestrictedCashAndCashEquivalents
/ us-gaap_StatementBusinessSegmentsAxis
= spf_FinancialServicesMember