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Guarantees and Indemnifications Guarantees and Indemnifications (Tables)
 9 Months Ended
Sep. 30, 2015
Warranty Accrual Rollforward [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
A summary of warranty activity for the three and nine months ended September 30, 2015 and 2014 is as follows:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
(In thousands)
2015
 
2014
 
2015
 
2014
Warranty reserves, beginning of period
$
10,638

 
$
11,220

 
$
12,671

 
$
12,291

Warranty expense on homes delivered during the period
2,263

 
1,923

 
5,847

 
4,962

Changes in estimates for pre-existing warranties
905

 
1,047

 
1,580

 
1,937

Settlements made during the period
(3,328
)
 
(3,508
)
 
(9,620
)
 
(8,508
)
Warranty reserves, end of period
$
10,478

 
$
10,682

 
$
10,478

 
$
10,682