Changes in Warranty Reserve (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
Product Warranty, Increase (Decrease) [Roll Forward] | ||||
Warranty reserves, beginning of period | $ 1,650 | $ 1,325 | $ 1,600 | $ 1,325 |
Warranty provision | 847 | 947 | 1,199 | 1,456 |
Warranty expenditures | (647) | (897) | (949) | (1,406) |
Warranty reserves, end of period | $ 1,850 | $ 1,375 | $ 1,850 | $ 1,375 |
Other Construction Components | ||||
Product Warranty Liability [Line Items] | ||||
Limited warranty period | 1 year | |||
Structural Elements | ||||
Product Warranty Liability [Line Items] | ||||
Limited warranty period | 10 years |