Supplemental Cash Flow Information and Schedule of Non-Cash Investing and Financing Activity (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Supplemental cash flow information:
Cash paid for interest	$ 30,835	$ 28,312
Cash paid (received) for income taxes	(117)	431
Supplemental schedule of non-cash investing and financing activity:
Mortgage note payable transferred to purchaser	0	(254,095)
Stock options, profits interest units, restricted share units, restricted shares and deferred incentive share units forfeited	(309)	(862)
Shares issued pursuant to TPG Management Services Agreement	325	150
Shares issued to Directors	220	263
Shares issued for purchase of land	859	0
Operating partnership unit converted to common stock	$ 0	$ 15,112