Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows From Operating Activities:
Net income/(loss)	$ (26,816,000)	$ 21,231,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,438,000	10,517,000
Equity in earnings of unconsolidated investments	(2,811,000)	(2,321,000)
Distributions from unconsolidated investments	2,349,000	31,000
Unrealized (gains)/losses on marketable equity securities	60,392,000	(6,838,000)
Gains on sale of restricted marketable debt securities	(2,000)	0
Gain on acquisition of equity method investment	(1,707,000)	0
Deferred income taxes	15,008,000	(1,603,000)
Stock–based compensation	466,000	424,000
Changes in operating assets and liabilities:
Accounts receivable	(6,212,000)	(3,345,000)
Income tax receivable	2,560,000	0
Inventories	(372,000)	517,000
Prepaid expenses and other assets	(1,515,000)	(1,008,000)
Trade accounts payable	(1,408,000)	(441,000)
Accrued payroll	(21,343,000)	(21,730,000)
Amounts due to third party payors	353,000	185,000
Accrued risk reserves	4,623,000	2,498,000
Other current liabilities	3,365,000	8,158,000
Other noncurrent liabilities	(1,468,000)	102,000
Deferred revenue	1,870,000	2,018,000
Net cash provided by operating activities	7,754,000	11,601,000
Cash Flows From Investing Activities:
Additions to property and equipment	(6,628,000)	(5,874,000)
Acquisition of equity method investment, net of cash acquired	(6,648,000)	0
Investments in notes receivable	(250,000)	(312,000)
Investments in unconsolidated companies	(125,000)	(125,000)
Collections of notes receivable	376,000	353,000
Purchase of restricted marketable debt securities	(6,360,000)	(3,565,000)
Sale of restricted marketable debt securities	3,410,000	6,576,000
Net cash used in investing activities	(16,225,000)	(2,947,000)
Cash Flows From Financing Activities:
Borrowings under credit facility	40,000,000	0
Principal payments under finance lease obligations	(1,019,000)	(959,000)
Dividends paid to common stockholders	(7,968,000)	(7,623,000)
Issuance of common shares	400,000	579,000
Repurchase of common shares	(53,000)	(872,000)
Equity contributed by noncontrolling entities	281,000	0
Net cash provided by (used in) financing activities	31,641,000	(8,875,000)
Net Increase (Decrease) in Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	23,170,000	(221,000)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning of Period	61,010,000	54,920,000
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, End of Period	84,180,000	54,699,000
Balance Sheet Classifications:
Cash and cash equivalents	69,492,000	38,194,000
Restricted Cash and Cash Equivalents	14,688,000	16,505,000
Total Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	$ 84,180,000	$ 54,699,000