Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended		12 Months Ended
	Sep. 01, 2021 tradingDay $ / shares shares	Mar. 31, 2020 USD ($)	Jul. 31, 2011 USD ($)	Mar. 31, 2022 USD ($) segment $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)	Feb. 28, 2021 $ / shares shares	Dec. 31, 2020 USD ($)
Class of Stock [Line Items]
Earn-out shares, stock price trigger (in usd per share) | $ / shares	$ 20.00
Earnout period, threshold trading days | tradingDay	20
Earnout period, threshold consecutive trading days | tradingDay	30
Collaboration revenue				$ 763	$ 763
Restricted cash deposit				$ 4,900	$ 780	$ 800
Number of operating segments | segment				1
Deferred revenue				$ 34,570		5,385			$ 5,177
Right of use asset							$ 4,100
Other current liabilities				985		66
Other long-term liabilities				$ 3,147		$ 363
Cumulative Effect, Period of Adoption, Adjusted Balance
Class of Stock [Line Items]
Other current liabilities							1,000
Other long-term liabilities							$ 3,600
Old SomaLogic Shareholders
Class of Stock [Line Items]
Earn-out shares, additional shares (in shares) | shares	3,500,125
Certain Employees and Directors
Class of Stock [Line Items]
Earn-out shares, additional shares (in shares) | shares	1,499,875
Public Warrants
Class of Stock [Line Items]
Exercise price of warrants (in usd per share) | $ / shares				$ 11.50
Private Placement Warrants
Class of Stock [Line Items]
Exercise price of warrants (in usd per share) | $ / shares				$ 11.50
CMLS II | Public Warrants
Class of Stock [Line Items]
Warrants issued (in shares) | shares								5,519,991
CMLS II | Private Placement Warrants
Class of Stock [Line Items]
Warrants issued (in shares) | shares								5,013,333
Exercise price of warrants (in usd per share) | $ / shares								$ 11.50
NEC Corporation ("NEC") | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Class of Stock [Line Items]
Collaborative arrangements, upfront payments			$ 12,000
Collaborative arrangements, remaining performance obligation period			15 years
NEC Solution Innovators, Ltd. ("NES") | Collaborative Arrangement, Transaction with Party to Collaborative Arrangement
Class of Stock [Line Items]
Collaborative arrangements, annual payments		$ 2,000
Collaborative arrangement, payment terms		5 years
Collaborative arrangements, total payment amount		$ 10,000
Collaboration revenue		$ 15,300
Collaborative arrangements, license of intellectual property, term		10 years
Illumina, Cambridge Ltd.
Class of Stock [Line Items]
Deferred revenue				$ 30,000
Non-US | Accounts Receivable | Geographic Concentration Risk
Class of Stock [Line Items]
Concentration risk, percentage				42.00%		18.00%
Non-US | Revenue | Geographic Concentration Risk
Class of Stock [Line Items]
Concentration risk, percentage				44.00%	25.00%