v3.21.2

Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	May 15, 2020	Sep. 30, 2021	Sep. 30, 2020
Class of Stock [Line Items]
Proceeds from issuance of common stock, net of issuance costs	$ 311,300	$ 0	$ 311,321
Underwriting discounts, commissions and offering costs	$ 12,700
Public Stock Offering
Class of Stock [Line Items]
Issuance of common stock from registered public offering (in shares)	4,735,294
Issuance of common stock from registered public offering (in usd per share)	$ 76.50
Public Stock Offering - Shares From Parent
Class of Stock [Line Items]
Issuance of common stock from registered public offering (in shares)	4,235,294
Public Stock Offering - Shares From Existing Shareholders
Class of Stock [Line Items]
Issuance of common stock from registered public offering (in shares)	500,000

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