NATURE OF OPERATIONS (Details) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	May 05, 2021	Mar. 05, 2021	Sep. 11, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Nature of Operations [Line Items]
Sale of stock, number of shares issued in transaction (in shares)			1,904,154
Issuance costs				$ 190	$ 0	$ 196
Proceeds from Issuance Seconday Public Offering, Net			$ 61,300
Issuance costs			$ 200	190	0	196
Proceeds from Stock Options Exercised				2,200	$ 10,200	$ 29,700
Debt instrument, face amount				$ 230,000
Debt Instrument, Interest Rate, Stated Percentage				1.00%
Dosh Holdings, Inc
Nature of Operations [Line Items]
Business Combination, Consideration Transferred		$ 277,610
Payments to Acquire Businesses, Gross		150,000
Other Payments to Acquire Businesses		6,600
Dosh Holdings, Inc | Equity Option
Nature of Operations [Line Items]
Proceeds from IPO, net		500,500
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		3,593		$ 7,600
Dosh Holdings, Inc | Common Stock
Nature of Operations [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		117,354
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Preliminary Estimate		$ 125,000
Bridg Acquisition
Nature of Operations [Line Items]
Business Combination, Consideration Transferred	$ 578,889
Payments to Acquire Businesses, Gross	350,000
Other Payments to Acquire Businesses	2,800
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	230,921
Bridg Acquisition | Payment Tranche One
Nature of Operations [Line Items]
Business Combination, Contingent Consideration, Calculation Base	12,500
Bridg Acquisition | Equity Option
Nature of Operations [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 841
Public Equity Offering
Nature of Operations [Line Items]
Sale of stock, number of shares issued in transaction (in shares)		3,850,000
Sale of Stock, Consideration Received on Transaction		$ 484,000
Payments for Commissions		16,300
Issuance costs		$ 200
Over-Allotment Option
Nature of Operations [Line Items]
Sale of stock, number of shares issued in transaction (in shares)			404,154
SPO
Nature of Operations [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price			$ 34.00
Sale of stock, discounts and commissions			$ 3,200
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised			1,194,365