Related Party Transactions - Transactions with Related Parties (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Transactions with Third Party
Total revenues	$ 61,884	$ 53,788	$ 122,253	$ 108,360
Cost of revenues	569	1,782	1,618	2,400
Operating lease cost and other fees	1,609	2,060	3,524	4,041
Interest earned from affiliate
Interest income	130	108	238	197
Earnings (losses) of equity method investment	394	193	896	531
Popular
Interest earned from affiliate
Earnings (losses) of equity method investment	$ 100	$ 100	$ 100	$ 400
Popular \| Customer Concentration Risk \| Total Revenue
Interest earned from affiliate
Total percentage of revenues from Popular	42.00%	45.00%	42.00%	45.00%

Interest earned from and charged by affiliates.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of interest income earned from interest-bearing assets owed to the entity by related party.

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Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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