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v3.19.3.a.u2

Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Percentage holding required to account investments under non-marketable equity investments | 20.00% |
Right-of-use assets | $ 5,848 | $ 7,383
Lease liabilities | $ 6,682 | $ 7,808
Building [Member] | Maximum [Member] |  |
Estimated useful lives | 40 years |
Leasehold Improvements [Member] | Minimum [Member] |  |
Estimated useful lives | 10 years |
Software, Equipment, Furniture and Fixtures [Member] | Maximum [Member] |  |
Estimated useful lives | 7 years |
Software, Equipment, Furniture and Fixtures [Member] | Minimum [Member] |  |
Estimated useful lives | 3 years |

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: 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=77888419&loc=SL77918627-209977 + Details
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