Related party transactions - Related party transactions with affiliated company - Equity Method - Additional Information (Details) - USD ($)	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Related Party Transaction
Carrying value of equity method investment	$ 262,335,000		$ 250,467,000
EVERTEC Inc.
Related Party Transaction
Equity Method Investment Ownership Percentage	16.15%
Carrying value of equity method investment	$ 92,004,000		86,158,000
Earnings from investments under the equity method	5,912,000	$ 4,387,000
Equity Method Investment Dividends	$ 600,000	600,000
Number of shares held	11,654,803
BHD LEON
Related Party Transaction
Equity Method Investment Ownership Percentage	15.84%
Carrying value of equity method investment	$ 160,100,000		$ 153,100,000
Earnings from investments under the equity method	6,400,000	6,800,000
Equity method investment dividends or distributions	$ 0	$ 0

Amount of dividend received from equity method investee.

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- Definition

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

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

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- Definition

Balance held at close of period in number of shares.

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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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