Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 78,211	$ 69,767
Restricted cash and cash equivalents	17,366	7,020
Marketable securities	134,795	132,535
Restricted marketable securities	9,510	19,805
Accounts receivable, less allowance for doubtful accounts of $6,229 and $5,738, respectively	81,570	78,843
Inventories	7,113	7,127
Prepaid expenses and other assets	3,118	2,260
Notes receivable, current portion	464	441
Federal income tax receivable		4,727
Total current assets	332,147	322,525
Property and Equipment:
Property and equipment, at cost	834,336	821,792
Accumulated depreciation and amortization	(315,945)	(307,048)
Net property and equipment	518,391	514,744
Other Assets:
Restricted cash and cash equivalents	3,631	3,631
Restricted marketable securities	143,499	138,468
Deposits and other assets	8,345	8,791
Goodwill	17,600	17,600
Notes receivable, less current portion	12,453	12,548
Deferred income taxes	20,180	18,700
Investments in limited liability companies	35,607	37,116
Total other assets	241,315	236,854
Total assets	1,091,853	1,074,123
Current Liabilities:
Trade accounts payable	20,716	15,877
Capital lease obligations, current portion	3,135	3,088
Accrued payroll	45,673	59,859
Amounts due to third party payors	24,433	22,931
Accrued risk reserves, current portion	26,876	26,825
Deferred income taxes	36,058	35,506
Other current liabilities	16,496	12,472
Dividends payable	7,043	7,000
Total current liabilities	180,430	183,558
Long–term debt	10,000	10,000
Capital lease obligations, less current portion	32,706	33,508
Accrued risk reserves, less current portion	84,024	79,393
Refundable entrance fees	10,159	10,219
Obligation to provide future services	3,927	3,927
Other noncurrent liabilities	16,815	16,011
Deferred revenue	5,392	3,359
Stockholders’ Equity:
Series A Convertible Preferred Stock; $.01 par value; 25,000,000 shares authorized; 10,836,659 issued and outstanding; stated at liquidation value of $15.75 per share	170,494	170,494
Common stock, $.01 par value; 30,000,000 shares authorized; 14,218,760 and 14,110,859 shares, respectively, issued and outstanding	141	140
Capital in excess of par value	160,696	154,965
Retained earnings	350,181	343,941
Accumulated other comprehensive income	66,888	64,608
Total stockholders’ equity	748,400	734,148
Total liabilities and stockholders’ equity	$ 1,091,853	$ 1,074,123