Business Combinations (Tables)

12 Months Ended

Dec. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Business Acquisitions, by Acquisition

The following table summarizes the total purchase consideration (in thousands):

Cash Consideration	$	640,000
Stock Consideration (Fair Value of Shares of Magnite common stock)	495,591
Working capital adjustment	65,152
Total purchase consideration	$	1,200,743

The following table summarizes the total purchase consideration (in thousands):

Cash Consideration	$	31,136
SpotX initial cash investment in SpringServe	2,075
Fair value appreciation of SpotX purchase right	7,450
Indemnification claims - holdback	1,409
Total purchase consideration	$	42,070

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The fair value of the purchase price was allocated to the identifiable assets acquired and liabilities assumed based upon their estimated fair values as of the date of the SpotX Acquisition as set forth below (in thousands):

Cash	$	81,967
Restricted cash	199
Accounts receivable	199,649
Prepaid and other assets, current	12,308
Fixed assets	6,823
Intangible assets	429,600
Right-of-use lease asset	10,055
Goodwill	782,719
Total assets to be acquired	1,523,320
Accounts payable and accrued expenses	205,822
Other current liabilities	1,091
Lease liabilities	12,625
Deferred tax liability, net	103,039
Total liabilities to be assumed	322,577
Total purchase price	$	1,200,743

The fair value of the purchase price was allocated to the identifiable assets acquired and liabilities assumed based upon their estimated fair values as of the date of the SpringServe Acquisition as set forth below (in thousands):

Cash	$	1,062
Accounts receivable	3,234
Prepaid and other assets, current	157
Fixed assets	25
Intangible assets	23,400
Right-of-use lease asset	1,879
Goodwill	24,156
Total assets to be acquired	53,913
Accounts payable and accrued expenses	2,475
Other current liabilities	35
Lease liabilities	3,179
Deferred tax liability, net	6,154
Total liabilities to be assumed	11,843
Total preliminary purchase price	$	42,070

Schedule of Finite-lived Intangible Assets Acquired as Part of Business Combination

The following table summarizes the components of the intangible assets and estimated useful lives as of the date of the SpotX Acquisition (dollars in thousands):

			Estimated Useful Life
Technology	$	280,400	5 years
Customer relationships	130,300		2 to 4 years
Backlog	11,100		<1 year
In-process research and development	5,800		3 years*
Non-compete agreements	1,500		1 year
Trademarks	500		<1 year
Total intangible assets acquired	$	429,600
* In-process research and development consists of six projects with a weighted-average useful life of 3 years. Amortization begins once associated projects are completed and it is determined the projects have alternative future use.

The following table summarizes the components of the intangible assets and estimated useful lives as of the date of the SpringServe Acquisition (dollars in thousands):

			Estimated Useful Life
Technology	$	15,500	5 years
Customer relationships	5,700		2 years
Trademarks and Trade Names	900		3 years
In-process research and development	800		3 years*
Non-compete agreements	500		2 years
Total intangible assets acquired	$	23,400
* In-process research and development consists of two projects with a weighted-average useful life of 3 years. Amortization begins once associated projects are completed and it is determined the projects have alternative future use.

Business Acquisition, Pro Forma Information

The following table provides unaudited pro forma information as if the SpotX and SpringServe Acquisitions had been acquired by the Company as of January 1, 2020. The unaudited pro forma information reflects adjustments for additional amortization resulting from the fair value adjustments to assets acquired and liabilities assumed, adjustments for alignment of accounting policies, and transaction expenses as if the SpotX and SpringServe Acquisitions occurred on January 1, 2020. The pro forma results do not include any anticipated cost synergies or other effects of the combined companies. Accordingly, pro forma amounts are not necessarily indicative of the results that actually would have occurred had the SpotX and SpringServe Acquisitions been completed on the dates indicated, nor is it indicative of the future operating results of the combined company. The table below excludes Nth Party as its impact on pro forma results were immaterial.

	Year Ended
	December 31, 2021
	(in thousands)
Pro Forma Revenue	$	540,466
Pro Forma Net Loss	$	(86,621)