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Segment Disclosure (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Corporate capital allocation charge
Corporate Capital Allocation	$ 18,972	$ 15,423
Homebuilding Mid Atlantic [Member]
Corporate capital allocation charge
Corporate Capital Allocation	12,680	10,831
Homebuilding North East [Member]
Corporate capital allocation charge
Corporate Capital Allocation	1,822	1,163
Homebuilding Mid East [Member]
Corporate capital allocation charge
Corporate Capital Allocation	2,742	2,204
Homebuilding South East [Member]
Corporate capital allocation charge
Corporate Capital Allocation	$ 1,728	$ 1,225

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- Definition

Corporate capital allocation charge.

+ References

No definition available.

+ Details

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- Details

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