REVENUE RECOGNITION STANDARD, Revenues from Contract with Customers (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Wire transfer and money order fees	$ 274,161
Discounts and promotions	(1,080)
Revenues from contract with customers	319,601
Wire transfer and money order fees, net
Disaggregation of Revenue [Line Items]
Revenues from contract with customers	273,081
Foreign exchange gain
Disaggregation of Revenue [Line Items]
Revenues from contract with customers	44,268
Other income
Disaggregation of Revenue [Line Items]
Revenues from contract with customers	$ 2,252