CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES:
Net (loss)/income	$ (26,125)	$ 24,360	$ 16,484
Adjustments to reconcile net (loss)/income to net cash (used in)/provided by operating activities:
Depreciation and amortization	24,915	23,103	22,807
Other-than-temporary investments impairment	0	0	2,026
Deferred financing write off and amortization	1,674	782	455
Loss due to property and equipment impairment	3,500	0	0
Intangible impairment	8,650	0	0
Amortization of purchase accounting adjustments for leases and debt	(402)	(647)	(645)
Provision for bad debts	559	1,489	676
Provision for self-insured liabilities	1,638	554	639
Loss on sale or disposal of fixed assets	249	(121)	401
Equity-based compensation expense	779	1,199	659
Deferred income taxes	(15,888)	4,447	5,599
Gain on investments	(195)	(956)	(78)
Changes in assets and liabilities:
Accounts receivable	(244)	(2,897)	(1,209)
Prepaid expenses, supplies and other receivables	760	(199)	517
Deposits in escrow	436	290	(378)
Current assets - discontinued operations	0	0	(132)
Accounts payable	2,873	1,268	(1,170)
Accrued liabilities	2,995	(1,376)	25
Deferred revenue	262	3,220	(1,584)
Current liabilities - discontinued operations	0	0	(34)
Payments of self-insured liabilities	(1,495)	(592)	(458)
Income taxes payable/receivable	(3,483)	(250)	367
Changes in other non-current assets	(43)	1,456	758
Other non-current assets - discontinued operations	0	0	399
Other long-term liabilities	(2,342)	(455)	48
Cash (used in)/provided by operating activities	(927)	54,675	46,172
INVESTING ACTIVITIES:
Payment for securities	(218)	(208)	(818)
Proceeds on sales of securities	1,231	3,406	515
Payment for acquisitions	(62,570)	0	(27,500)
Proceeds on sale of fixed assets	1,486	168	0
Payments for new construction projects	(2,327)	(684)	(5,619)
Payments for purchases of property and equipment	(16,572)	(15,067)	(11,000)
Cash used in investing activities	(78,970)	(12,385)	(44,422)
FINANCING ACTIVITIES:
Payments of financing costs	(1,391)	(1,907)	(310)
Purchase of treasury stock	0	(798)	(2,803)
Proceeds from issuance of shares for employee stock options	0	283	31
Repayment of borrowings on revolving credit facility	(99,000)	(137,500)	0
Proceeds on borrowings on revolving credit facility	195,000	99,500	0
Repayment of mortgage debt	(2,588)	(5,686)	(1,914)
Proceeds from mortgage debt	0	0	12,250
Payment of dividends	(4,594)	(6,894)	0
Cash provided by/(used in) financing activities	87,427	(53,002)	7,254
Increase/(decrease) in cash and cash equivalents	7,530	(10,712)	9,004
Cash and cash equivalents, beginning of year	2,652	13,364	4,360
Cash and cash equivalents, end of year	10,182	2,652	13,364
Cash paid during the period for:
Interest	8,114	7,324	7,285
Income tax payments, net of refunds	$ 3,473	$ 8,651	$ 3,459