Income Taxes - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Deferred tax assets:
NOLs – International	$ 5,233	$ 9,336
Capital losses	17,002	8,226
Operating lease liabilities	5,295	5,529
Goodwill and intangible assets	1,622	1,671
Stock-based compensation	1,115	1,754
NOLs—U.S.	514	642
Accrued expenses	373	4,054
Outside basis difference	123	123
Other	159	218
Deferred tax assets	31,436	31,553
Deferred tax liabilities:
Right of use assets—operating leases	4,189	4,400
Fixed assets and prepaid assets	1,309	1,326
Unrealized gains	717	744
Deferred tax liabilities	6,215	6,470
Total deferred tax assets less deferred tax liabilities	25,221	25,083
Less: valuation allowance	(22,358)	(17,685)
Deferred tax assets, net	$ 2,863	$ 7,398