Basic and Diluted Loss per Share - Components of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Numerator
Net loss attributable to nCino, Inc.	$ (5,252)	$ (16,379)	$ (19,268)	$ (43,506)
Denominator
Weighted-average common shares outstanding, basic (in shares)	115,611,833	112,951,553	114,970,622	112,484,017
Weighted-average common shares outstanding, diluted (in shares)	115,611,833	112,951,553	114,970,622	112,484,017
Basic loss per share attributable to nCino, Inc. (in USD per share)	$ (0.05)	$ (0.15)	$ (0.17)	$ (0.39)
Diluted loss per share attributable to nCino, Inc. (in USD per share)	$ (0.05)	$ (0.15)	$ (0.17)	$ (0.39)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details