The Company	12 Months Ended
Dec. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract]
The Company	1. The Company Intellia Therapeutics, Inc. (“Intellia” or the “Company”) is a genome editing company focused on developing curative therapeutics utilizing a biological tool known as CRISPR/Cas9. The Company commenced active operations in mid-2014. Since its inception, the Company has generated an accumulated deficit of $121.1 million through December 31, 2017 and will require substantial additional capital to fund its research and development. The Company is subject to risks and uncertainties common to early stage companies in the biotechnology industry, including, but not limited to, development by competitors of more advanced or effective therapies, dependence on key executives, protection of and dependence on proprietary technology, compliance with government regulations and ability to secure additional capital to fund operations. Programs currently under development will require significant additional research and development efforts, including preclinical and clinical testing and regulatory approval prior to commercialization. These efforts require significant amounts of additional capital, adequate personnel and infrastructure and extensive compliance-reporting capabilities. Even if the Company’s product development efforts are successful, it is uncertain when, if ever, the Company will realize significant revenue from product sales.

1. The Company

Intellia Therapeutics, Inc. (“Intellia” or the “Company”) is a genome editing company focused on developing curative therapeutics utilizing a biological tool known as CRISPR/Cas9.

The Company commenced active operations in mid-2014. Since its inception, the Company has generated an accumulated deficit of $121.1 million through December 31, 2017 and will require substantial additional capital to fund its research and development. The Company is subject to risks and uncertainties common to early stage companies in the biotechnology industry, including, but not limited to, development by competitors of more advanced or effective therapies, dependence on key executives, protection of and dependence on proprietary technology, compliance with government regulations and ability to secure additional capital to fund operations. Programs currently under development will require significant additional research and development efforts, including preclinical and clinical testing and regulatory approval prior to commercialization. These efforts require significant amounts of additional capital, adequate personnel and infrastructure and extensive compliance-reporting capabilities. Even if the Company’s product development efforts are successful, it is uncertain when, if ever, the Company will realize significant revenue from product sales.