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Leases Leases (Supplemental Cash Flow and Balance Sheet Information) (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |
Operating cash flows from operating leases |  | $ 1,434,000 | $ 1,394,000 |
Operating cash flows from finance leases |  | 151,000 | 68,000 |
Financing cash flows from finance leases |  | 142,000 | 106,000 | $ 0
Right-of-use assets obtained in exchange for new lease obligations: |  |  |  |
Operating leases |  | 2,002,000 | 14,030,000 |
Finance leases |  | $ 3,668,000 | $ 1,612,000 |
Weighted average remaining lease term (years) |  |  |  |
Operating leases |  | 15 years 4 months 24 days | 15 years 2 months 12 days |
Finance leases |  | 27 years | 22 years 4 months 24 days |
Weighted average discount rate: |  |  |  |
Operating Leases |  | 3.40% | 3.39% |
Finance leases |  | 3.44% | 4.00% |
ASU 2016-02 |  |  |  |
Right-of-use assets obtained in exchange for new lease obligations: |  |  |  |
Operating leases | $ 10,500,000 |  |  |
Finance leases | $ 1,600,000 |  |  |

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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977 + Details
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