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Investments - Investments in Variable Interest Entities (Detail) - USD ($)		Mar. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Maximum Exposure to Loss		$ 4,500,000	$ 4,800,000
Variable Interest Entity, Not Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Investment	[1]	1,343,000	1,258,000
Maximum Exposure to Loss	[1]	$ 2,323,000	$ 2,238,000
[1] The Company has entered into a subordinated loan agreement with Aqua, whereby the Company agreed to lend the principal sum of $980 thousand. The Company’s maximum exposure to loss with respect to its unconsolidated VIEs includes the sum of its equity investments in its unconsolidated VIEs and the $980 thousand subordinated loan to Aqua.

X

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Amount of net assets (liabilities).

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-Name Accounting Standards Codification
-Topic 205
-SubTopic 30
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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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