| Cover | 12 Months Ended |
| Dec. 31, 2023 | |
| Document Information [Line Items] | |
| Document Type | PRE 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | Fate Therapeutics, Inc. |
| Entity Central Index Key | 0001434316 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | ||
| Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | |
| Pay vs Performance Disclosure | |||
| Pay vs Performance Disclosure, Table | Pay versus Performance Year Summary Compensation Table Total for PEO(1) ($) Compensation Actually Paid to PEO(2) ($) Average Summary Compensation Table Total for Non-PEO Named Executive Officers(3) ($) Average Compensation Actually Paid to Non-PEO Named Executive Officers(4) ($) Value of Initial Fixed $100 Investment Based On: Net Income(6) (in thousands) ($) Total Shareholder Return(5) ($) (a) (b) (c) (d) (e) (f) (h) 2023 3,522,750 (360,474 ) 2,878,537 617,776 4.11 (160,928 ) 2022 8,145,000 (12,366,963 ) 3,179,591 (3,125,934 ) 11.10 (281,721 ) 2021 11,728,617 (11,644,474 ) 6,839,065 (2,075,456 ) 64.35 (212,151 ) (1) The dollar amounts reported in column (b) are the amounts of total compensation reported for J. Scott Wolchko for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to “2023 Executive Summary Compensation Table”. (2) The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Mr. Wolchko, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation Table Total for PEO ($) Reported Value of Equity Awards(a) ($) Equity Award Adjustments(b) ($) Compensation Actually Paid to PEO ($) 2023 3,522,750 (2,602,350 ) (1,280,874 ) (360,474 ) 2022 8,145,000 (7,500,000 ) (13,011,963 ) (12,366,963 ) 2021 11,728,617 (10,752,617 ) (12,620,474 ) (11,644,474 ) (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” and “Stock Awards” columns in the Summary Compensation Table for the applicable year. (b) The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year ($) Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years ($) Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) Value of Dividends or Other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) Total Equity Award Adjustments 2023 1,048,478 (1,798,128 ) 489,062 (1,020,286 ) — — (1,280,874 ) 2022 1,457,114 (9,384,451 ) 1,093,557 (6,178,183 ) — — (13,011,963 ) 2021 3,066,436 (14,190,573 ) 200,247 (1,696,584 ) — — (12,620,474 ) (3) The dollar amounts reported in column (d) represent the average of the amounts reported for our company’s named executive officers as a group (excluding Mr. Wolchko) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the named executive officers (excluding Mr. Wolchko) included for purposes of calculating the average amounts in each applicable year are as follows: Year Non-PEO 2023 Edward Dulac, Bahram Valamehr, Cindy Tahl 2022 Edward Dulac, Bahram Valamehr, Cindy Tahl, Yu-Waye 2021 Edward Dulac, Bahram Valamehr, Cindy Tahl, Yu-Waye (4) The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the named executive officers as a group (excluding Mr. Wolchko), as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation Table Total for Non-PEO ($) Reported Value of Equity Awards(a) ($) Equity Award Adjustments(b) ($) Compensation Actually Paid to Non- PEO NEOs ($) 2023 2,878,537 (2,255,370 ) (5,391 ) 617,776 2022 3,179,591 (2,702,751 ) (3,602,774 ) (3,125,934 ) 2021 6,839,065 (6,266,227 ) (2,648,294 ) (2,075,456 ) (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” and “Stock Awards” columns in the Summary Compensation Table for the applicable year. (b) The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year ($) Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years ($) Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) Value of Dividends or Other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) Total Equity Award Adjustments 2023 908,685 (1,043,584 ) 423,854 (294,346 ) — — (5,391 ) 2022 603,183 (2,864,205 ) 200,428 (1,542,179 ) — — (3,602,774 ) 2021 1,628,810 (3,208,590 ) 66,515 (1,135,029 ) — — (2,648,294 ) (5) The calculation of Cumulative TSR assumes that $100 was invested in our common stock as of the market close on December 31, 2020. (6) The dollar amounts reported represent the amount of net income (loss) reflected in our consolidated audited financial statements for the applicable year. | ||
| Named Executive Officers, Footnote | (3) The dollar amounts reported in column (d) represent the average of the amounts reported for our company’s named executive officers as a group (excluding Mr. Wolchko) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the named executive officers (excluding Mr. Wolchko) included for purposes of calculating the average amounts in each applicable year are as follows: Year Non-PEO 2023 Edward Dulac, Bahram Valamehr, Cindy Tahl 2022 Edward Dulac, Bahram Valamehr, Cindy Tahl, Yu-Waye 2021 Edward Dulac, Bahram Valamehr, Cindy Tahl, Yu-Waye | ||
| PEO Total Compensation Amount | $ 3,522,750 | $ 8,145,000 | $ 11,728,617 |
| PEO Actually Paid Compensation Amount | $ (360,474) | (12,366,963) | (11,644,474) |
| Adjustment To PEO Compensation, Footnote | (2) The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Mr. Wolchko, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation Table Total for PEO ($) Reported Value of Equity Awards(a) ($) Equity Award Adjustments(b) ($) Compensation Actually Paid to PEO ($) 2023 3,522,750 (2,602,350 ) (1,280,874 ) (360,474 ) 2022 8,145,000 (7,500,000 ) (13,011,963 ) (12,366,963 ) 2021 11,728,617 (10,752,617 ) (12,620,474 ) (11,644,474 ) (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” and “Stock Awards” columns in the Summary Compensation Table for the applicable year. (b) The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year ($) Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years ($) Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) Value of Dividends or Other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) Total Equity Award Adjustments 2023 1,048,478 (1,798,128 ) 489,062 (1,020,286 ) — — (1,280,874 ) 2022 1,457,114 (9,384,451 ) 1,093,557 (6,178,183 ) — — (13,011,963 ) 2021 3,066,436 (14,190,573 ) 200,247 (1,696,584 ) — — (12,620,474 ) | ||
| Non-PEO NEO Average Total Compensation Amount | $ 2,878,537 | 3,179,591 | 6,839,065 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 617,776 | (3,125,934) | (2,075,456) |
| Adjustment to Non-PEO NEO Compensation Footnote | (4) The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the named executive officers as a group (excluding Mr. Wolchko), as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation Table Total for Non-PEO ($) Reported Value of Equity Awards(a) ($) Equity Award Adjustments(b) ($) Compensation Actually Paid to Non- PEO NEOs ($) 2023 2,878,537 (2,255,370 ) (5,391 ) 617,776 2022 3,179,591 (2,702,751 ) (3,602,774 ) (3,125,934 ) 2021 6,839,065 (6,266,227 ) (2,648,294 ) (2,075,456 ) (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Option Awards” and “Stock Awards” columns in the Summary Compensation Table for the applicable year. (b) The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows: Year Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year ($) Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in Prior Years ($) Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year ($) Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year ($) Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year ($) Value of Dividends or Other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation ($) Total Equity Award Adjustments 2023 908,685 (1,043,584 ) 423,854 (294,346 ) — — (5,391 ) 2022 603,183 (2,864,205 ) 200,428 (1,542,179 ) — — (3,602,774 ) 2021 1,628,810 (3,208,590 ) 66,515 (1,135,029 ) — — (2,648,294 ) | ||
| Compensation Actually Paid vs. Total Shareholder Return | Description of Relationship Between PEO and Non-PEO The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO | ||
| Compensation Actually Paid vs. Net Income | Description of Relationship and Non-PEO The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO | ||
| Total Shareholder Return Amount | $ 4.11 | 11.1 | 64.35 |
| Net Income (Loss) | $ (160,928,000) | (281,721,000) | (212,151,000) |
| PEO Name | J. Scott Wolchko | ||
| PEO | Reported Value Of Equity Awards [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | $ (2,602,350) | (7,500,000) | (10,752,617) |
| PEO | Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (1,280,874) | (13,011,963) | (12,620,474) |
| PEO | Year End Fair Value Of Outstanding And Unvested Equity Awards Granted In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 1,048,478 | 1,457,114 | 3,066,436 |
| PEO | Year Over Year Change In Fair Value Of Outstanding And Unvested Equity Awards Granted In Prior Years [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (1,798,128) | (9,384,451) | (14,190,573) |
| PEO | Fair Value As Of Vesting Date Of Equity Awards Granted And Vested In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 489,062 | 1,093,557 | 200,247 |
| PEO | Year Over Year Change In Fair Value Of Equity Awards Granted In Prior Years That Vested In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (1,020,286) | (6,178,183) | (1,696,584) |
| PEO | Fair Value At The End Of The Prior Year Of Equity Awards That Failed To Meet Vesting Conditions In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 0 | 0 | 0 |
| PEO | Value Of Dividends Or Other Earnings Paid On Stock Or Option Awards Not Otherwise Reflected In Fair Value Or Total Compensation [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 0 | 0 | 0 |
| PEO | Total Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (1,280,874) | (13,011,963) | (12,620,474) |
| Non-PEO NEO | Reported Value Of Equity Awards [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (2,255,370) | (2,702,751) | (6,266,227) |
| Non-PEO NEO | Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (5,391) | (3,602,774) | (2,648,294) |
| Non-PEO NEO | Year End Fair Value Of Outstanding And Unvested Equity Awards Granted In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 908,685 | 603,183 | 1,628,810 |
| Non-PEO NEO | Year Over Year Change In Fair Value Of Outstanding And Unvested Equity Awards Granted In Prior Years [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (1,043,584) | (2,864,205) | (3,208,590) |
| Non-PEO NEO | Fair Value As Of Vesting Date Of Equity Awards Granted And Vested In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 423,854 | 200,428 | 66,515 |
| Non-PEO NEO | Year Over Year Change In Fair Value Of Equity Awards Granted In Prior Years That Vested In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | (294,346) | (1,542,179) | (1,135,029) |
| Non-PEO NEO | Fair Value At The End Of The Prior Year Of Equity Awards That Failed To Meet Vesting Conditions In The Year [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 0 | 0 | 0 |
| Non-PEO NEO | Value Of Dividends Or Other Earnings Paid On Stock Or Option Awards Not Otherwise Reflected In Fair Value Or Total Compensation [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | 0 | 0 | 0 |
| Non-PEO NEO | Total Equity Award Adjustments [Member] | |||
| Pay vs Performance Disclosure | |||
| Adjustment to Compensation, Amount | $ (5,391) | $ (3,602,774) | $ (2,648,294) |
