Note 7 - Long-term Leases (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Operating Lease, Expense	$ 11,345,000	$ 10,886,000	$ 34,038,000	$ 31,804,000
NHI Lease Agreement [Member]
Number of Skilled Nursing Centers Leased from NHI	32		32
Number of Independent Living Centers Leased from NHI	3		3
Number of Skilled Nursing Facilities Subleased	4		4
Lessee, Operating Lease, Number of Renewal Options	2		2
Lessee, Operating Lease, Renewal Term (Year)	5 years		5 years
Operating Lease, Expense	$ 9,911,000	$ 10,085,000	$ 29,725,000	$ 29,371,000