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Guarantees and Indemnifications Guarantees and Indemnifications (Tables)
 12 Months Ended
Dec. 31, 2012
Warranty Reserve Rollforward [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
A summary of warranty activity for the years ended December 31, 2012, 2011 and 2010 is as follows:
 
Year Ended December 31,
(In thousands)
2012
 
2011
 
2010
Warranty reserves, beginning of period
$
9,025

 
$
8,335

 
$
8,657

Warranty expense on homes delivered during the period
5,853

 
4,526

 
5,096

Changes in estimates for pre-existing warranties
1,690

 
1,891

 
1,118

Settlements made during the period
(6,130
)
 
(5,727
)
 
(6,536
)
Warranty reserves, end of period
$
10,438

 
$
9,025

 
$
8,335