BUSINESS COMBINATION - Narrative (Details) - USD ($)					12 Months Ended
	Dec. 31, 2021	Dec. 13, 2021	Mar. 31, 2021	Jan. 25, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Contingent consideration in connection with the acquisition					$ 3,500,000	$ 0	$ 0
ClipperCreek
Business Acquisition [Line Items]
Voting interests acquired	100.00%			100.00%	100.00%
Purchase price	$ 113,100,000
Contingency payable, maximum	40,000,000				$ 40,000,000
Acquisition costs					500,000
365 Pronto
Business Acquisition [Line Items]
Voting interests acquired		100.00%
Purchase price		$ 69,900,000
Contingency payable, maximum		$ 11,000,000
Goodwill, expected tax deductible amount	$ 0				0
Acquisition costs					500,000
DIN's
Business Acquisition [Line Items]
Purchase price			$ 24,800,000
Goodwill, expected tax deductible amount			0
Acquisition costs					1,900,000
DIN's | Additional Consideration, Equal Monthly Installments
Business Acquisition [Line Items]
Contingency payable, maximum			$ 5,000,000
Timing of monthly installment payments			1 year
DIN's | Additional Consideration, Payable One Year Anniversary
Business Acquisition [Line Items]
Contingency payable, maximum			$ 5,000,000
Sofdesk
Business Acquisition [Line Items]
Purchase price				$ 31,988,000
Contingency payable, maximum				3,700,000
Goodwill, expected tax deductible amount				0
Contingent consideration in connection with the acquisition				3,500,000
Consideration transferred for business acquisition				$ 35,488,000
Acquisition costs					$ 2,000,000