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Investments - Equity Securities, FV-NI (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Mutual Fund
Debt and Equity Securities, FV-NI
Fair value	$ 22,838	$ 152
Percent of Total	77.70%	2.00%
Common Stock
Debt and Equity Securities, FV-NI
Fair value	$ 0
Nonredeemable Preferred Stocks
Debt and Equity Securities, FV-NI
Fair value	$ 6,569	$ 7,293
Percent of Total	22.30%	98.00%
Equity Securities
Debt and Equity Securities, FV-NI
Fair value	$ 29,407	$ 7,445
Percent of Total	100.00%	100.00%

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Equity securities, FV-NI Percent of Total

+ References

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

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