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Borrowings (Bank Of America Line Of Credit) (Narrative) (Details) - USD ($) $ in Thousands |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 07, 2020 | Aug. 08, 2019 | Oct. 31, 2016 | Dec. 31, 2020 | Dec. 31, 2019 | Mar. 06, 2020
Debt Instrument [Line Items] |  |  |  |  |  |
Contractual facility |  |  |  | $ 300,449 | $ 283,138 |
Bank Of America Line Of Credit [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility, previous borrowing capacity |  |  |  |  |  | $ 5,000
Maturity date |  | Sep. 01, 2020 | Oct. 31, 2019 | Mar. 06, 2023 | Mar. 06, 2023 |
Contractual facility |  |  | $ 5,000 | $ 5,000 | $ 5,000 |
Extension period |  | 10 months |  |  |  |
Floor Rate [Member] | Bank Of America Line Of Credit [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Spread over LIBOR | 1.00% |  |  |  |  |

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- Definition Debt Instrument Contractual Facility Borrowing Capacity + References No definition available. + Details
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- Definition Line Of Credit Extension Period + References No definition available. + Details
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- Definition Line Of Credit Facility, Previous Borrowing Capacity + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Details
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- Details
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