Interim Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 83,707,000	$ 61,008,000
Restricted cash and cash equivalents	35,917,000	50,587,000
Marketable equity securities	98,000,000	85,051,000
Restricted marketable securities	109,027,000	83,625,000
Accounts receivable, less allowance for doubtful accounts of $3,475 and $3,713, respectively	63,080,000	69,635,000
Inventories	6,479,000	7,419,000
Prepaid expenses and other assets	1,727,000	1,082,000
Federal income tax receivable		3,779,000
Total current assets	397,937,000	362,186,000
Property and Equipment:
Property and equipment, at cost	669,084,000	659,523,000
Accumulated depreciation and amortization	(247,241,000)	(229,872,000)
Net property and equipment	421,843,000	429,651,000
Other Assets:
Deposits	156,000	397,000
Goodwill	17,600,000	20,320,000
Notes receivable	22,113,000	22,449,000
Deferred income taxes	10,353,000	10,167,000
Investments in limited liability companies	36,091,000	20,502,000
Total other assets	86,313,000	73,835,000
Total assets	906,093,000	865,672,000
Current Liabilities:
Trade accounts payable	5,436,000	9,834,000
Accrued payroll	50,275,000	54,063,000
Amounts due to third party payors	18,758,000	16,807,000
Accrued risk reserves	103,202,000	98,732,000
Deferred income taxes	19,937,000	14,526,000
Other current liabilities	14,748,000	15,583,000
Dividends payable	6,413,000	6,362,000
Total current liabilities	218,769,000	215,907,000
Long–Term Debt	10,000,000	10,000,000
Other Noncurrent Liabilities	13,576,000	16,244,000
Deferred Revenue	11,246,000	11,785,000
Stockholders’ Equity:
Series A Convertible Preferred Stock; $.01 par value; 25,000,000 shares authorized; 10,838,412 and 10,838,490 shares, respectively, issued and outstanding; stated at liquidation of $15.75 per share	170,514,000	170,515,000
Common stock, $.01 par value; 30,000,000 shares authorized; 13,992,906 and 13,862,738 shares, respectively, issued and outstanding	139,000	138,000
Capital in excess of par value	146,797,000	139,183,000
Retained earnings	289,631,000	265,198,000
Accumulated other comprehensive income	45,421,000	36,702,000
Total stockholders’ equity	652,502,000	611,736,000
Total liabilities and stockholders’ equity	$ 906,093,000	$ 865,672,000