Commitments and Contingencies Warranty (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||||
---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2013 |
|
Product Warranty Liability [Line Items] | |||||||
Standard and Extended Product Warranty Accrual | $ 27,732 | $ 14,282 | $ 12,671 | $ 12,291 | |||
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued | 10,452 | 8,812 | 7,311 | ||||
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties | 3,304 | 5,160 | 5,223 | ||||
Standard and Extended Product Warranty Accrual, Period Increase (Decrease) | 19,409 | 0 | 0 | ||||
Standard and Extended Product Warranty Accrual, Decrease for Payments | (19,715) | (12,361) | $ (12,154) | ||||
Product Liability Accrual, Component Amount | 19,400 | $ 500 | $ 14,500 | $ 2,800 | $ 2,200 | ||
Estimated Repair Costs for Affected Homes | $ 11,900 |