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Investments - Details of Investments Carried at Cost (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Investment [Line Items]
Investments	$ 35,721	$ 14,238
Other InvestmentsCarrying Value [Member]
Investment [Line Items]
Investments	35,721	14,238
Other Investments Cost [Member]
Investment [Line Items]
Investments	35,725	13,862
Securrency Inc. - Series A Convertible Preferred Stock - Carrying Value [Member]
Investment [Line Items]
Investments	8,488	8,488
Securrency Inc. - Series A Convertible Preferred Stock - Cost [Member]
Investment [Line Items]
Investments	8,112	8,112
Securrency Inc. - Series B Convertible Preferred Stock - Carrying Value [Member]
Investment [Line Items]
Investments	5,500	5,500
Securrency Inc. - Series B Convertible Preferred Stock - Cost [Member]
Investment [Line Items]
Investments	5,500	5,500
Securrency Inc - Convertible Note - Carrying Value [Member]
Investment [Line Items]
Investments	14,500	0
Securrency Inc - Convertible Note - Cost [Member]
Investment [Line Items]
Investments	15,000	0
Subtotal – Securrency, Inc. - Carrying Value [Member]
Investment [Line Items]
Investments	28,488	13,988
Subtotal – Securrency, Inc. - Cost [Member]
Investment [Line Items]
Investments	28,612	13,612
Fnality International Limited Convertible Note Carrying Value [Member]
Investment [Line Items]
Investments	6,921	0
Fnality International Limited Convertible Note Cost [Member]
Investment [Line Items]
Investments	6,863	0
Onramp Invest Inc Series A-4 Preferred Stock - Carrying Value [Member]
Investment [Line Items]
Investments	312	250
Onramp Invest Inc - Series A-4 Preferred Stock - Cost [Member]
Investment [Line Items]
Investments	$ 250	$ 250

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(18))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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+ References

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