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v3.20.1

Fair Value Disclosures (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Mutual funds | $ 1,176 | $ 1,107
Level 1 |  |
Mutual funds | 1,176 | 1,107
Level 2 |  |
Mutual funds | 0 | 0
Level 3 |  |
Mutual funds | $ 0 | $ 0

X
- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References No definition available. + Details
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X
- Details
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- Details
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X
- Details
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