REVENUES - Revenues from Contract with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 150,412	$ 145,364
Wire transfer and money order fees, net
Disaggregation of Revenue [Line Items]
Wire transfer and money order fees	127,484	125,007
Discounts and promotions	(563)	(557)
Total revenues	126,921	124,450
Foreign exchange gain, net
Disaggregation of Revenue [Line Items]
Total revenues	20,346	19,168
Other income
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,145	$ 1,746