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Fair Value of Financial Instruments (Narrative) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2021
Fair Value Assets And Liabilities Measured On Recurring And Non-Recurring Basis [Abstract] |  |
Transfers in or out of level 3 | $ 0 | $ 0
Changes in unrealized gains and losses | $ 0 | $ 0

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- References No definition available. + Details
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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
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