BUSINESS COMBINATIONS - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands	May 05, 2021	Mar. 05, 2021	Jun. 30, 2021
Dosh Holdings, Inc.
Business Acquisition [Line Items]
Cash paid to common and preferred stockholders, warrant holders and vested option holders		$ 136,164
Cash paid to extinguish acquiree debt		16,574
Cash paid to settle pre-acquisition liabilities and acquiree deal-related costs		3,463
Total purchase consideration		277,148
Dosh Holdings, Inc. | Common Stock
Business Acquisition [Line Items]
Fair value of common stock transferred		117,354
Dosh Holdings, Inc. | Equity Option
Business Acquisition [Line Items]
Fair value of assumed options attributable to pre-combination service		$ 3,593	$ 7,600
Bridg, Inc., Mr. T Merger Sub, Inc. And Shareholder Representative Services LLC Merger Agreement
Business Acquisition [Line Items]
Cash paid to common and preferred stockholders, warrant holders and vested option holders	$ 337,166
Cash paid to extinguish acquiree debt	1,949
Cash paid to settle pre-acquisition liabilities and acquiree deal-related costs	8,012
Total purchase consideration	578,889
Bridg, Inc., Mr. T Merger Sub, Inc. And Shareholder Representative Services LLC Merger Agreement | Common Stock
Business Acquisition [Line Items]
Fair value of common stock transferred	230,921
Bridg, Inc., Mr. T Merger Sub, Inc. And Shareholder Representative Services LLC Merger Agreement | Equity Option
Business Acquisition [Line Items]
Fair value of assumed options attributable to pre-combination service	$ 841