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Leases and Contingencies (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Lessee, Lease, Description [Line Items] |  |  |  |
Finance leases | $ 0 | $ 0 | $ 0 | $ 0
Operating lease expense | $ 900 | $ 700 | $ 2,600 | $ 2,100
Minimum [Member] | Operating Lease Arrangement for Real Estate [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 19 months |  | 19 months |
Minimum [Member] | Operating Lease Arrangement for Equipment [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 60 months |  | 60 months |
Maximum [Member] | Operating Lease Arrangement for Real Estate [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 122 months |  | 122 months |
Maximum [Member] | Operating Lease Arrangement for Equipment [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Lease term | 203 months |  | 203 months |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Term of lessee's 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 + Details
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- Details
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- Details
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- Details
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- Details
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