Annual report pursuant to Section 13 and 15(d)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) - Schedule of Quarterly Results (Details)

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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) - Schedule of Quarterly Results (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Selected Quarterly Financial Information [Abstract]                      
Total closing revenue $ 781,613 $ 669,956 $ 597,801 $ 518,712 $ 698,918 $ 556,776 $ 505,604 $ 408,345 $ 2,568,082 $ 2,169,643 $ 1,814,659
Total closing gross profit 152,075 126,244 114,749 95,641 140,281 110,761 110,003 91,572 488,709 452,617 396,418
Earnings before income taxes 76,085 46,668 41,414 25,297 66,393 47,030 55,236 39,758 189,464 208,417 177,672
Net earnings $ 52,897 $ 30,308 $ 29,133 $ 16,400 $ 49,208 $ 32,577 $ 35,079 $ 25,377 $ 128,738 $ 142,241 $ 124,464
Per Share Data:                      
Basic earnings per share (in dollars per share) $ 1.33 [1] $ 0.76 [1] $ 0.73 [1] $ 0.42 [1] $ 1.26 [1] $ 0.83 [1] $ 0.90 [1] $ 0.66 [1] $ 3.25 $ 3.65 $ 3.45
Diluted earnings per share (in dollars per share) $ 1.26 [1] $ 0.73 [1] $ 0.70 [1] $ 0.40 [1] $ 1.19 [1] $ 0.79 [1] $ 0.85 [1] $ 0.62 [1] $ 3.09 [2] $ 3.46 [2] $ 3.25 [2]
[1] Due to the computation of earnings per share, the sum of the quarterly amounts may not equal the full-year results.
[2] In accordance with ASC 260-10, Earnings Per Share, ("ASC 260-10") we calculate the dilutive effect of convertible securities using the "if-converted" method.