CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue		$ 54,548	$ 39,821	$ 104,672	$ 76,757
Cost of revenue:
Cost of revenue exclusive of amortization		6,198	4,570	12,148	8,766
Amortization		5,580	5,299	10,958	10,540
Gross profit		42,770	29,952	81,566	57,451
Operating expenses:
Sales and marketing		23,585	12,884	44,878	24,627
Product development		8,706	4,277	15,556	8,071
General and administrative		9,392	6,375	19,846	11,011
Depreciation and amortization		10,194	9,608	20,068	19,054
Transaction and restructuring expenses		2,107	3,431	3,417	3,469
Total operating expenses		53,984	36,575	103,765	66,232
Loss from operations		(11,214)	(6,623)	(22,199)	(8,781)
Other expense, net:
Other income (expense),net		4,002	(100)	3,901	24
Interest expense, net		(2,580)	(8,316)	(4,464)	(16,770)
Total other income (expense), net		1,422	(8,416)	(563)	(16,746)
Net loss before income taxes		(9,792)	(15,039)	(22,762)	(25,527)
Income tax benefit		213	0	126	0
Net loss		(9,579)	(15,039)	(22,636)	(25,527)
Less: Net loss attributable to Definitive OpCo prior to the Reorganization Transactions		0	(15,039)	0	(25,527)
Less: Net loss attributable to noncontrolling interests		(4,429)	0	(8,862)	0
Net loss attributable to Definitive Healthcare Corp.		$ (5,150)	$ 0	$ (13,774)	$ 0
Net loss per share of Class A common stock:
Basic and diluted	[1]	$ (0.05)		$ (0.14)
Basic and diluted	[1]	$ (0.05)		$ (0.14)
Weighted average Class A Common Stock outstanding:
Basic and diluted	[1]	99,203,697		98,186,909
Basic and diluted	[1]	99,203,697		98,186,909

[1] (1) Basic and diluted net loss per share of Class A Common Stock is applicable only for the periods beginning from September 15, 2021, which is the period following the IPO and related Reorganization Transactions. See Note 19 for the number of shares used in the computation of net loss per share of Class A Common Stock and the basis for the computation of net loss per share.