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Business Segments Business Segments (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of Operating Segments | 15 |  |
Revenue | $ 1,691,327 | $ 1,418,395 | $ 1,215,180
Operating income (loss): | 108,743 | 111,794 | 82,754
Interest | 17,598 | 17,521 | 13,365
Equity in income of unconsolidated joint ventures | (640) | (498) | (347)
Loss on early extinguishment of debt | 0 | 7,842 | 0
Income before income taxes | 91,785 | 86,929 | 69,736
Depreciation and amortization: | 13,606 | 10,928 | 8,296
Standard and Extended Product Warranty Accrual, Period Increase (Decrease) | 19,409 | 0 | 0
Total valuation adjustments and write-offs | 3,992 | 3,600 | 3,457
Midwest Homebuilding [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Homebuilding revenue | 637,894 | 500,873 | 426,090
Operating income (loss): | 70,446 | 51,436 | 37,484
Interest | 3,754 | 4,005 | 3,001
Depreciation and amortization: | 1,752 | 1,614 | 1,277
Southern Homebuilding [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Homebuilding revenue | 602,273 | 514,747 | 420,901
Operating income (loss): | 20,398 | 47,276 | 34,341
Interest | 8,039 | 7,244 | 5,445
Depreciation and amortization: | 2,525 | 2,069 | 1,584
Mid-Atlantic Homebuilding [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Homebuilding revenue | 409,149 | 366,800 | 338,067
Operating income (loss): | 33,450 | 25,144 | 27,502
Interest | 3,693 | 4,656 | 3,480
Depreciation and amortization: | 1,645 | 1,464 | 970
Financial Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Financial services revenue | 42,011 | 35,975 | 30,122
Operating income (loss): | 23,262 | 21,032 | 15,616
Interest | 2,112 | 1,616 | 1,439
Depreciation and amortization: | 1,948 | 1,213 | 201
Corporate and Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Less: Corporate selling, general and administrative expenses | (38,813) | (33,094) | (32,189)
Depreciation and amortization: | $ 5,736 | $ 4,568 | $ 4,264

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
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- Definition Revenue related to the sale of homes and home building activities including design, development, general contracting, and renovation services for residential buildings, including single-family houses, multifamily housing, townhouses, apartments, and modular housing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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