CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenue	$ 269,217	$ 220,379	$ 531,624	$ 437,807
Operating costs and expenses
Costs of revenue	174,147	144,477	345,030	289,000
Sales and marketing	37,132	36,944	79,271	75,348
General and administrative	23,787	27,206	48,759	53,074
Depreciation and amortization	9,827	7,555	19,318	14,656
Total operating costs and expenses	244,893	216,182	492,378	432,078
Income from operations	24,324	4,197	39,246	5,729
Other (expense) income
Tax receivable agreement expense	(112,692)	0	(113,037)	0
Interest income, net	2,181	1,917	3,880	3,476
Total other (expense) income	(110,511)	1,917	(109,157)	3,476
(Loss) income before income taxes	(86,187)	6,114	(69,911)	9,205
Income tax (benefit) expense	(115,017)	6,396	(109,952)	11,696
Net income (loss)	28,830	(282)	40,041	(2,491)
Net income (loss) attributable to non-controlling interests	12,142	(182)	18,034	(1,664)
Net income (loss) attributable to Rush Street Interactive, Inc.	$ 16,688	$ (100)	$ 22,007	$ (827)
Earnings (loss) per common share attributable to Rush Street Interactive, Inc - basic (in dollars per share)	$ 0.18	$ 0.00	$ 0.23	$ (0.01)
Earnings (loss) per common share attributable to Rush Street Interactive, Inc. - diluted (in dollars per share)	$ 0.12	$ 0.00	$ 0.17	$ (0.01)
Weighted average common shares outstanding - basic (in shares)	95,053,473	80,049,123	94,455,413	78,038,275
Weighted average common shares outstanding - diluted (in shares)	234,511,309	80,049,123	234,405,833	78,038,275