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Property Plant and Equipment ("PP&E") - Summary of Property Plant and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Homebuilding [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 126,344	$ 116,373
Less: accumulated depreciation	(80,429)	(71,722)
Property, Plant and Equipment, Net	45,915	44,651
Homebuilding [Member] | Office Facilities and Other [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	33,352	31,696
Homebuilding [Member] | Model Home Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34,924	33,041
Homebuilding [Member] | Production Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	58,068	51,636
Mortgage Banking [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	4,903	5,313
Mortgage Banking [Member] | Office Facilities and Other [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	11,379	10,629
Less: accumulated depreciation	(6,476)	(5,316)
Property, Plant and Equipment, Net	$ 4,903	$ 5,313

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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