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Note 7 - Long-term Leases (Details Textual) | 12 Months Ended
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Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Lessee, Operating Lease, Liability, to be Paid, Year One | $ 35,873,000 |  |
Lessee, Operating Lease, Liability, to be Paid, Year Two | 35,195,000 |  |
Lessee, Operating Lease, Liability, to be Paid, Year Three | 2,420,000 |  |
Operating Lease, Expense | $ 43,182,000 | $ 41,525,000 | $ 40,977,000
Operating Lease, Weighted Average Remaining Lease Term (Year) | 3 years 8 months 12 days | 3 years |
Operating Lease, Weighted Average Discount Rate, Percent | 7.00% | 6.60% |
Operating Lease, Payments | $ 35,394,000 | $ 36,198,000 | 36,051,000
Two Leases with NHI [Member] |  |  |
Number of Skilled Nursing Centers Leased from NHI | 28 |  |
Number of Assisted Living Centers Leased from NHI | 5 |  |
Number of Independent Living Centers Leased from NHI | 3 |  |
Lease One With NHI [Member] |  |  |
Number of Skilled Nursing Facilities Subleased | 4 |  |
NHI Lease Agreement [Member] |  |  |
Lessee, Operating Lease, Liability, to be Paid, Year One | $ 32,625,000 |  |
Lessee, Operating Lease, Liability, to be Paid, Year Two | 32,225,000 |  |
Lessee, Operating Lease, Liability, to be Paid, Year Three | 31,975,000 |  |
Both NHI Lease Agreements [Member] |  |  |
Operating Lease, Expense | $ 6,289,000 | $ 5,549,000 | $ 3,887,000

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- Definition Number of Assisted Living Centers under lease agreements with NHI + References No definition available. + Details
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- Definition Number of Independent Living Centers under lease agreements with NHI + References No definition available. + Details
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- Definition Number of Skilled Nursing Centers under lease agreements with NHI + References No definition available. + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 53 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479589/842-20-55-53 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (g)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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