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Segment Information Segment Information (Land-Related Charges by Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | $ 8,133 | $ 2,146 | $ 125,573 | $ 13,973 | $ 131,254
Northeast |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 1,385 | 1,184 |  | 3,068 | 51,102
Southeast |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 663 | 889 |  | 2,394 | 1,847
Florida |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 262 | 109 |  | 671 | 8,862
Midwest |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 4,960 | (393) |  | 6,078 | 7,703
Texas |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 47 | 51 |  | 317 | 898
West |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | 425 | 306 |  | 786 | 56,747
Other homebuilding |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Production Related Impairments or Charges | $ 391 | $ 0 |  | $ 659 | $ 4,095

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