FINTECH MERGER AND STELLA POINT ACQUISITION, Net Cash Proceeds Received in Reverse Recapitalization (Details) - USD ($)		1 Months Ended	3 Months Ended	11 Months Ended	12 Months Ended
	Jul. 26, 2018	Jan. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2016
Business Acquisition [Line Items]
Cash balance available to Intermex prior to the consummation of the Merger			$ 44,473,000	$ 35,902,000	$ 44,473,000	$ 55,967,000	$ 3,259,000
Cash consideration to Intermex shareholders	$ (101,659,000)	$ 0		$ 0	(101,659,000)
Net equity infusion					9,989,000
Intermex
Business Acquisition [Line Items]
Cash balance available to Intermex prior to the consummation of the Merger	110,726,000
Intermex Merger costs paid from acquisition proceeds at closing	(9,062,000)
Cash consideration to Intermex shareholders	(101,659,000)
FinTech
Business Acquisition [Line Items]
Cash consideration to Intermex shareholders	102,000,000.0
Net cash proceeds from reverse recapitalization	5,000.0
Prepaid expenses	76,000
Accrued liabilities	(136,000)
Deferred tax assets	982,000		$ 1,000,000.0		$ 1,000,000.0
Net equity infusion	$ 9,989,000
Amortization post-merger tax returns period			15 years