UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 27,624	$ 29,772
Accounts receivable, net of allowance for doubtful accounts of $1,947 and $1,668, respectively	21,848	18,539
Prepaid expenses and other assets	12,299	13,270
Total current assets	61,771	61,581
Property and equipment, net	229,096	198,369
Investment in joint venture	3,060	2,936
Intangible assets, net	24,115	26,886
Goodwill	59,605	59,471
Deposits and other assets	5,233	5,371
Deferred tax asset, net	1,957	2,096
Total assets	384,837	356,710
Current liabilities:
Accounts payable	28,359	21,746
Accrued liabilities	9,915	9,152
Deferred revenues	2,531	2,475
Revolving credit facility		100
Capital lease obligations	3,712	2,154
Term loan, less discount of $203 and $206, respectively	2,797	2,794
Accrued contingent consideration	4,889
Restructuring liability	2,520	2,709
Other current liabilities	163	151
Total current liabilities	54,886	41,281
Deferred revenues	2,457	2,323
Capital lease obligations	43,932	38,923
Revolving credit facility	14,856
Term loan, less discount of $267 and $367, respectively	53,983	55,383
Accrued contingent consideration		4,626
Restructuring liability	4,092	4,884
Deferred rent	15,708	16,100
Other long-term liabilities	970	1,020
Total liabilities	190,884	164,540
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.001 par value; 20,000 shares authorized; no shares issued or outstanding
Common stock, $0.001 par value; 120,000 shares authorized; 53,207 and 52,528 shares outstanding, respectively	53	53
Additional paid-in capital	1,239,653	1,235,554
Treasury stock, at cost; 240 and 231 shares, respectively	(1,663)	(1,266)
Accumulated deficit	(1,043,762)	(1,041,872)
Accumulated items of other comprehensive loss	(328)	(299)
Total stockholders' equity	193,953	192,170
Total liabilities and stockholders' equity	$ 384,837	$ 356,710