Income Taxes - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Deferred tax assets:
Capital losses	$ 17,033	$ 16,601
Accrued expenses	4,228	4,993
Unrealized losses	3,938	614
NOLs – Foreign	1,607	1,934
Goodwill and intangible assets	1,133	1,276
Stock-based compensation	1,107	1,359
Interest carryforwards	321	437
NOLs – U.S.	255	382
Foreign currency translation adjustment	169	0
Outside basis differences	122	122
Other	354	376
Deferred tax assets	30,267	28,094
Deferred tax liabilities:
Fixed assets and prepaid assets	422	257
Unremitted earnings—International subsidiaries	198	118
Foreign currency translation adjustment	0	181
Deferred tax liabilities	620	556
Total deferred tax assets less deferred tax liabilities	29,647	27,538
Less: Valuation allowance	(22,700)	(18,657)
Deferred tax assets, net	$ 6,947	$ 8,881