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OPERATING AND REPORTING SEGMENTS - Schedule of Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |  |
Corporate and unallocated costs |  | $ (43,156) | $ (36,176) | $ (81,105) | $ (70,346)
Interest expense |  | (77) | (2,105) | (167) | (2,121)
Other income, net |  | 1,377 | 1,514 | 2,175 | 2,125
Loss on early extinguishment of debt |  | (18,188) | 0 | (18,188) | 0
Earnings before income taxes |  | 215,651 | 115,862 | 381,628 | 202,695
Operating Segments [Member] | Financial Services [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 4,615 | 3,789 | 8,375 | 6,627
Operating Segments [Member] | Homebuilding Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 12,956 | 1,488 | 16,755 | 12,084
Operating Income |  | 237,380 | 120,428 | 408,803 | 213,002
Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | West [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 78,938 | 44,742 | 143,189 | 86,636
Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | Central [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 84,965 | 37,895 | 141,958 | 66,814
Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | East [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating Income |  | 73,477 | 37,791 | 123,656 | 59,552
Corporate and Unallocated [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Corporate and unallocated costs | [1] | (9,456) | (7,764) | (19,370) | (16,938)
Segment Reconciling Items [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Interest expense |  | (77) | (2,105) | (167) | (2,121)
Other income, net |  | 1,377 | 1,514 | 2,175 | 2,125
Homebuilding |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | 1,277,599 | 1,033,079 | 2,361,380 | 1,934,092
Homebuilding | Operating Segments [Member] | Homebuilding Segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | [2] | 1,277,599 | 1,033,079 | 2,361,380 | 1,934,092
Homebuilding | Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | West [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | [2] | 452,165 | 382,245 | 845,595 | 764,493
Homebuilding | Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | Central [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | [2] | 403,838 | 296,357 | 726,022 | 556,484
Homebuilding | Operating Segments [Member] | Reportable Subsegments [Member] | Homebuilding Segment | East [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue | [2] | 421,596 | 354,477 | 789,763 | 613,115
Home closings |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenue |  | $ 1,264,643 | $ 1,031,591 | $ 2,344,625 | $ 1,922,008
[1] | Balance consists primarily of corporate costs and numerous shared service functions such as finance and treasury that are not allocated to the homebuilding or financial services reporting segments.
[2] | Homebuilding revenue includes the following land closing revenue, by segment, as outlined in the table below:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Land closing revenue: |  |  |  |  |  |  |
West | $ | 12,956 |  |  | $ | 456 |  |  | $ | 12,956 |  |  | $ | 4,974 |
Central | — |  |  | 382 |  |  | 3,799 |  |  | 4,600 |
East | — |  |  | 650 |  |  | — |  |  | 2,510 |
Total | $ | 12,956 |  |  | $ | 1,488 |  |  | $ | 16,755 |  |  | $ | 12,084 |

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