Stock-based Compensation - Unvested Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Number of Shares
Unvested at the beginning of the period (in shares) | shares	1,466,060
Granted (in shares) | shares	597,728
Vested (in shares) | shares	(423,402)
Forfeited/canceled (in shares) | shares	(68,971)
Unvested at the end of the period (in shares) | shares	1,571,415
Expected to vest after the end of the period (in shares) | shares	1,547,915
Weighted‑ Average Grant‑Date Fair Value
Unvested at the beginning of the period (in dollars per share) | $ / shares	$ 42.03
Granted (in dollars per share) | $ / shares	47.64
Vested (in dollars per share) | $ / shares	41.91
Forfeited/canceled (in dollars per share) | $ / shares	49.21
Unvested at the end of the period (in dollars per share) | $ / shares	43.88
Expected to vest after the end of the period (in dollars per share) | $ / shares	$ 44.45