Inventory - Recoverability Schedule of Inventory Assets Held for Development, by Reportable Segment (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2015 home	Jun. 30, 2014 USD ($) property
Real Estate Properties [Line Items]
Number of Communities on Watch List	0	4
Undiscounted Cash Flow Analysis Prepared for Number of Communities		2
West Segment
Real Estate Properties [Line Items]
Number of Communities on Watch List		3
Undiscounted Cash Flow Analysis Prepared for Number of Communities		2
Undiscounted Cash Flow Analysis, Pre-analysis Book Value | $		$ 12,215
Undiscounted Cash Flow Analysis, Aggregate Undiscounted Cash Flow, Percentage of Book Value		103.70%
Southeast Segment
Real Estate Properties [Line Items]
Number of Communities on Watch List		1
Undiscounted Cash Flow Analysis Prepared for Number of Communities		0
Undiscounted Cash Flow Analysis, Pre-analysis Book Value | $		$ 0
Undiscounted Cash Flow Analysis, Aggregate Undiscounted Cash Flow, Percentage of Book Value		0.00%