CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 30,849	$ 29,772
Accounts receivable, net of allowance for doubtful accounts of $1,750 and $1,668, respectively	17,886	18,539
Prepaid expenses and other assets	12,172	13,270
Total current assets	60,907	61,581
Property and equipment, net	215,027	198,369
Investment in joint venture	2,904	2,936
Intangible assets, net	25,501	26,886
Goodwill	59,675	59,471
Deposits and other assets	5,400	5,371
Deferred tax asset, net	2,117	2,096
Total assets	371,531	356,710
Current liabilities:
Accounts payable	27,204	21,746
Accrued liabilities	10,112	9,152
Deferred revenues	2,485	2,475
Capital lease obligations	3,271	2,154
Term loan, less discount of $204 and $206, respectively	3,546	2,794
Restructuring liability	2,626	2,709
Other current liabilities	156	151
Total current liabilities	49,400	41,181
Deferred revenues	2,447	2,323
Capital lease obligations	44,893	38,923
Revolving credit facility	509	100
Term loan, less discount of $317 and $367, respectively	54,683	55,383
Accrued contingent consideration	4,626	4,626
Restructuring liability	4,306	4,884
Deferred rent	15,859	16,100
Other long-term liabilities	1,004	1,020
Total liabilities	177,727	164,540
Commitments and contingencies
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; 53,068 and 52,528 shares outstanding, respectively	53	53
Additional paid-in capital	1,237,717	1,235,554
Treasury stock, at cost; 327 and 231 shares, respectively	(1,987)	(1,266)
Accumulated deficit	(1,041,765)	(1,041,872)
Accumulated items of other comprehensive loss	(214)	(299)
Total stockholders' equity	193,804	192,170
Total liabilities and stockholders' equity	$ 371,531	$ 356,710