Fair Value - Additional Information (Details) - Recurring Basis	6 Months Ended
	Jun. 30, 2021
Minimum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term investments effective maturity date	1 year
Maximum [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Short-term investments effective maturity date	1 year
Long-term investments effective maturity date	2 years