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Business Segments Business Segments - Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Business Segments [Abstract] |  |
Other assets | $ 61,135 | $ 62,926
Segment Reporting Information [Line Items] |  |
Deposits on real estate under option or contract | 32,556 | 29,856
Inventory | 1,382,018 | 1,186,078
Investment in joint venture arrangements | 20,525 | 28,016
Other Combined Assets | 429,672 | 304,561
TOTAL ASSETS | 1,864,771 | 1,548,511
Midwest Homebuilding [Member] |  |
Segment Reporting Information [Line Items] |  |
Deposits on real estate under option or contract | 4,933 | 3,989
Inventory | 500,671 | 399,814
Investment in joint venture arrangements | 4,410 | 10,155
Other Combined Assets | 13,573 | 25,747
TOTAL ASSETS | 523,587 | 439,705
Southern Homebuilding [Member] |  |
Segment Reporting Information [Line Items] |  |
Deposits on real estate under option or contract | 20,719 | 22,607
Inventory | 636,019 | 484,038
Investment in joint venture arrangements | 9,677 | 10,630
Other Combined Assets | 38,784 | 35,622
TOTAL ASSETS | 705,199 | 552,897
Mid-Atlantic Homebuilding [Member] |  |
Segment Reporting Information [Line Items] |  |
Deposits on real estate under option or contract | 6,904 | 3,260
Inventory | 245,328 | 302,226
Investment in joint venture arrangements | 6,438 | 7,231
Other Combined Assets | 13,311 | 13,912
TOTAL ASSETS | 271,981 | 326,629
Corporate, Financial Services and Unallocated [Member] |  |
Segment Reporting Information [Line Items] |  |
Deposits on real estate under option or contract | 0 | 0
Inventory | 0 | 0
Investment in joint venture arrangements | 0 | 0
Other Combined Assets | 364,004 | 229,280
TOTAL ASSETS | $ 364,004 | $ 229,280

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- Definition Inventory - Segments, which includes single-family lots, land and land development costs; land held for sale; homes under construction; model homes and furnishings; community development district infrastructure; and consolidated inventory not owned. + References No definition available. + Details
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- Definition The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet including cash and cash equivalents, restricted cash, property and equipment - net, and mortgage loans held for sale. + References No definition available. + Details
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- Definition Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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