Interim Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 13,682,000	$ 22,375,000	$ 34,913,000	$ 19,476,000
Other comprehensive income (loss):
Unrealized gains (losses) on investments in restricted marketable debt securities	2,969,000	(794,000)	6,194,000	(3,592,000)
Reclassification adjustment for realized gains on sale of securities	0	(14,000)	0	(25,000)
Income tax benefit (expense) related to items of other comprehensive income	(624,000)	169,000	(1,301,000)	759,000
Other comprehensive income (loss), net of tax	2,345,000	(639,000)	4,893,000	(2,858,000)
Net loss attributable to noncontrolling interest	29,000	86,000	67,000	194,000
Comprehensive income attributable to National HealthCare Corporation	$ 16,056,000	$ 21,822,000	$ 39,873,000	$ 16,812,000