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Leases (Components of Lease Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Operating Lease Income [Line Items] |  |  |  |  |
Direct financing and sales-type leases |  | $ 5,477 | $ 5,482 | $ 15,838 | $ 17,398
Operating leases(a) | [1] | 2,175 | 1,717 | 6,517 | 5,721
Total lease income |  | 7,652 | 7,199 | 22,355 | 23,119
Operating Lease Income from Related Party [Member] |  |  |  |  |
Operating Lease Income [Line Items] |  |  |  |  |
Operating leases(a) |  | $ 19 | $ 19 | $ 57 | $ 57
[1] | (a) Includes rent from Tower Properties Company, a related party, of $19 thousand for the three month periods ended September 30, 2022 and 2021, and $57 thousand for the nine months ended September 30, 2022 and 2021

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- Definition [Line Items] for Operating Lease Income [Table] + References No definition available. + Details
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- Definition Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 + Details
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI https://asc.fasb.org/extlink&oid=126900988&loc=SL77927221-108306 + Details
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- Definition Amount of profit (loss) for sales-type lease and (loss) for direct financing lease recognized at commencement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 + Details
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