Debt - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended				12 Months Ended		0 Months Ended		0 Months Ended								0 Months Ended	12 Months Ended				0 Months Ended						12 Months Ended
	Feb. 26, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Austin [Member] Room	Dec. 31, 2013 Multi Family Property [Member] Austin, Texas [Member] Unit	Dec. 31, 2013 Senior Secured Credit Facility [Member]	Nov. 27, 2013 6% Tangible Equity Units [Member] Unit	Dec. 31, 2013 6% Tangible Equity Units [Member]	Nov. 27, 2013 6% Tangible Equity Units [Member] Underwriter Discount [Member] Unit	Nov. 27, 2013 6% Tangible Equity Units [Member] Liability Component [Member]	Nov. 27, 2013 6% Tangible Equity Units [Member] Equity Component [Member]	Dec. 31, 2013 Revolving Line of Credit [Member] Senior Secured Credit Facility [Member]	Dec. 31, 2013 Revolving Line of Credit [Member] Sublimit For Letters Of Credit [Member]	Dec. 31, 2013 Term Loan Facility [Member] Senior Secured Credit Facility [Member]	Dec. 31, 2012 Term Loan Facility [Member] Senior Secured Credit Facility [Member]	Dec. 31, 2013 Letter of Credit [Member]	Feb. 26, 2013 Convertible Debt [Member]	Dec. 31, 2013 Convertible Debt [Member]	Dec. 31, 2013 Convertible Debt [Member] Underwriter Discount [Member]	Dec. 31, 2013 Convertible Debt [Member] Liability Component [Member]	Dec. 31, 2013 Convertible Debt [Member] Equity Component [Member]	Nov. 27, 2013 Senior Notes [Member] 6% Tangible Equity Units [Member]	Dec. 31, 2013 Secured Promissory Notes [Member]	Dec. 31, 2012 Secured Promissory Notes [Member]	Dec. 31, 2013 Secured Promissory Notes [Member] Austin [Member]	Dec. 31, 2013 Other Indebtedness [Member]	Dec. 31, 2012 Other Indebtedness [Member]	Dec. 31, 2013 Other Indebtedness [Member] Multi Family Property [Member] Austin, Texas [Member]
Line of Credit Facility [Line Items]
Maximum required leverage ratio		30.00%
Minimum interest coverage ratio		3.0
Debt Instrument, Covenant, Maximum Revenue To Capital Expenditures Ratio		1.5
Minimum liquidity required		$ 125,000,000
Minimum effective leverage ratio exceeded		30.00%
Maximum borrowing capacity under term Loan facility													200,000,000		200,000,000
Sublimit for letters of credit under line of credit facility														100,000,000
Sublimit for letters of credit outstanding																	3,653,000
Net unused borrowing capacity													164,685,000
Borrow at Libor							4.00%
Percentage Of Variable Spread On Base Rate							3.00%
Percentage Of Spread On Federal Funds Effective Rate							0.50%
Debt Instrument Basis Spread Over Variable Rate							1.00%
Aggregate Principal Amount								150,000,000										125,000,000
Debt Instrument, Maturity Date																		Mar. 01, 2020
Units issued								6,000,000		600,000
Exercise price of unit								25.00
Common stock, par value		$ 1.00	$ 1.00					$ 1.00
Face amount per unit, debt																							4.2522
Interest rate percentage								6.00%	6.00%									3.75%	3.75%				4.50%
Initial conversion rate																		40.8351
Principal amount of initial conversion rate																		1,000
Amount used to repay revolving line of credit	68,000,000
Estimated amount of fair value of notes excluding conversion feature	97,309,000
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt	27,691,000	17,058,000
Effective interest rate used to amortize debt discount																		8.00%
Amortization of debt discount																			2,581,000
Unamortized debt discount																			25,110,000
Debt		357,407,000	294,063,000						25,619,000						200,000,000	200,000,000			99,890,000					15,400,000	34,171,000		16,498,000	15,892,000
Guest room hotel					413
Carrying value of multifamily project to secure non recourse loan																										24,391,000
Debt Instrument Decrease Due To Sale Of Property																													18,902,000
Real Estate Property Sale Price						41,000,000
Proceeds from sale of multifamily property		0	29,474,000	0		21,522,000
Segment Earnings Related To Sale Of Multifamily Property						10,881,000
Number Of Units Of Multifamily Project						289
Carrying value of property to secure borrowing																											60,553,000
Deferred Finance Costs, Net		7,896,000	6,508,000
Amortization of deferred financing fees		3,050,000	2,922,000	2,881,000
Debt issuance cost																			4,205,000	3,750,000	3,273,000	932,000
Fair value of debt								25,514,000
Value of purchase contracts								124,486,000
Issuance costs								5,002,000		4,500,000	851,000	4,151,000
Proceeds net of issuance costs								144,998,000
Debt Maturities 2013		28,247,000
Debt Maturities 2014		12,699,000
Debt Maturities 2015		15,484,000
Debt Maturities 2016		201,087,000
Debt Maturities 2017		0
Debt Maturities thereafter		$ 99,890,000