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Summary of Significant Accounting Policies (Supplemental Consolidated Statements of Cash Flows Information) (Details) - USD ($) | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Supplemental disclosure of cash activities: |  |
Cash paid for interest | $ 15,467,000 | $ 17,621,000
Supplemental disclosure of non-cash activities: |  |
Capitalization of interest and financing costs | 2,449,000 | 1,865,000
Buildings and improvements included in accounts payable and accrued liabilities | $ (654,000) |
Recognition of right-of-use assets and related lease liabilities |  | $ 703,000

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- Definition Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
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