Interim Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues and grant income:
Net patient revenues	$ 260,077,000	$ 236,976,000	$ 516,414,000	$ 453,831,000
Other revenues	10,962,000	11,056,000	22,988,000	22,425,000
Government stimulus income	320,000	15,126,000	10,940,000	37,875,000
Net operating revenues and grant income	271,359,000	263,158,000	550,342,000	514,131,000
Costs and expenses:
Salaries, wages, and benefits	174,936,000	163,868,000	345,630,000	313,025,000
Other operating	71,311,000	64,979,000	145,396,000	131,105,000
Rent	10,411,000	10,170,000	20,476,000	20,233,000
Depreciation and amortization	10,001,000	10,131,000	19,758,000	20,292,000
Interest	149,000	215,000	314,000	459,000
Total costs and expenses	266,808,000	249,363,000	531,574,000	485,114,000
Income from operations	4,551,000	13,795,000	18,768,000	29,017,000
Other income:
Non–operating income	2,521,000	5,586,000	5,720,000	11,846,000
Gain on acquisition of equity method investment	0	95,202,000	0	95,202,000
Unrealized gains/(losses) on marketable equity securities	(3,549,000)	(6,489,000)	(423,000)	570,000
Income before income taxes	3,523,000	108,094,000	24,065,000	136,635,000
Income tax provision	(1,362,000)	(2,764,000)	(6,555,000)	(9,997,000)
Net income	2,161,000	105,330,000	17,510,000	126,638,000
Net (income)/loss attributable to noncontrolling interest	1,042,000	(447,000)	1,011,000	(488,000)
Net income attributable to National HealthCare Corporation	$ 3,203,000	$ 104,883,000	$ 18,521,000	$ 126,150,000
Earnings per share attributable to National HealthCare Corporation stockholders:
Basic (in dollars per share)	$ 0.21	$ 6.83	$ 1.20	$ 8.22
Diluted (in dollars per share)	$ 0.21	$ 6.80	$ 1.20	$ 8.19
Basic (in shares)	15,452,402	15,349,162	15,434,718	15,338,400
Diluted (in shares)	15,487,123	15,419,012	15,475,553	15,404,634
Dividends declared to common stockholders, per share (in dollars per share)	$ 0.57	$ 0.52	$ 1.12	$ 1.04