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No definition available.

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Balance held at close of period in number of shares.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Publisher FASB
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Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

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No definition available.

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Fair Value of Assets and Liabilities - Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Losses on equity securities, net	$ (3,849)	$ 11,974	$ (12,188)	$ 2,031
Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity securities investment (in shares)	10,691,658		10,691,658
Recurring \| Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 61,584		$ 61,584
Recurring \| Five Star \| Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	44,448		44,448
Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	61,584		61,584
Recurring \| Significant Other Observable Inputs (Level 2) \| Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	0		0
Recurring \| Significant Unobservable Inputs (Level 3) \| Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 0		$ 0
Common Shares \| Five Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity securities investment (in shares)	10,691,658		10,691,658