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Commitments and Contingencies Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2017
Warranty Accrual Rollforward [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
A summary of warranty activity for the three and six months ended June 30, 2017 and 2016 is as follows:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands)
2017
 
2016
 
2017
 
2016
Warranty reserves, beginning of period
$
24,980

 
$
15,295

 
$
27,732

 
$
14,281

Warranty expense on homes delivered during the period
2,783

 
2,482

 
5,212

 
4,522

Changes in estimates for pre-existing warranties
332

 
(646
)
 
1,062

 
37

Charges related to stucco-related claims (a)
8,500

 
2,754

 
8,500

 
4,909

Settlements made during the period
(6,292
)
 
(4,070
)
 
(12,203
)
 
(7,934
)
Warranty reserves, end of period
$
30,303

 
$
15,815

 
$
30,303

 
$
15,815


(a)
Estimated stucco-related claim costs, as described below, have been included in warranty accruals.