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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events 2019 Equity Incentive Plan In January 2020, the number of shares of common stock authorized for issuance under the 2019 Plan was automatically increased by 1,250,210 shares, which was ratified by the Company's Board of Directors in February 2020. In February 2020, the Company’s Board of Directors approved the grant of options to purchase 92,885 shares of common stock under the 2019 Plan with an exercise price of $47.20 per share. 2019 Employee Stock Purchase Plan In January 2020, the number of shares of common stock authorized for issuance under the 2019 ESPP was automatically increased by 312,552 shares, which was ratified by the Company's Board of Directors in February 2020.