Series B Convertible Preferred Stock and Stockholders' Equity (Details)			3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 13, 2020 USD ($) $ / shares shares	Jul. 31, 2015 director shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) vote $ / shares shares	Jun. 30, 2020 USD ($)	Dec. 31, 2015 shares	Dec. 31, 2020 USD ($) $ / shares shares	Jul. 31, 2020 $ / shares shares	Dec. 31, 2018 USD ($)	Feb. 28, 2014 shares
Class of Warrant or Right [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001			$ 0.0001
Preferred stock, shares outstanding (in shares)			1.000		1.000			1.000
Authorized common stock (in shares)			400,000,000		400,000,000			400,000,000
Par value of common stock (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001			$ 0.0001
Number of votes entitled by holders of common stock for each share of common stock | vote					1
Common stock, shares outstanding (in shares)			52,145,000		52,145,000			52,431,000
Number of shares issuable upon exercise of warrants (in shares)									16,000,000.0
Exercise price (in dollars per share) | $ / shares									$ 11.50
Number of warrants outstanding (in shares)											16,000,000.0
Rohm and Haas
Class of Warrant or Right [Line Items]
Number of shares of Series A Preferred Stock issued as condition to consummation of business combination (in shares)		1
Number of directors preferred stockholder is entitled to appoint if minimum ownership percentage of common stock is maintained | director		1
Minimum percentage of outstanding shares of voting and non-voting common stock to be held to entitle preferred stockholder to appoint director		10.00%
Series B Convertible Stock
Class of Warrant or Right [Line Items]
Dividends | $				$ 0		$ 0
Accrued dividends | $			$ 0		$ 0			$ 0
Preferred stock, convertible, conversion price (in dollars per share) | $ / shares	$ 5.00
Series B Convertible Stock | Maximum
Class of Warrant or Right [Line Items]
Preferred stock issued (in shares)			31,200,000		31,200,000			31,000,000.0
Series B Convertible Stock | Paid in-kind
Class of Warrant or Right [Line Items]
Dividends | $			$ 3,300,000		$ 6,300,000
Series B Convertible Stock | Cash
Class of Warrant or Right [Line Items]
Dividends | $			$ 3,100,000		$ 6,100,000
Series B-1 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock, shares outstanding (in shares)			0		0
Series B-2 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock, shares outstanding (in shares)			0		0
Private placement warrants
Class of Warrant or Right [Line Items]
Dividend rate increase	2.00%
Number of warrants outstanding (in shares)											6,200,000
Private placement warrants | Dividends within first anniversary
Class of Warrant or Right [Line Items]
Percentage payable in cash	50.00%
Percentage payable in kind	50.00%
Private placement warrants | Dividends after first anniversary
Class of Warrant or Right [Line Items]
Percentage payable in cash	50.00%
Percentage payable in kind	37.50%
Percentage payable in cash or kind	12.50%
Private placement warrants | Convertible preferred stock
Class of Warrant or Right [Line Items]
Sale of stock, consideration received on transaction | $	$ 150,000,000
Private placement warrants | Series B Convertible Stock
Class of Warrant or Right [Line Items]
Preferred stock issued (in shares)	150,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001
Convertible preferred stock, shares issued upon conversion (in shares)	150,000
Liquidation preference (in dollars per share) | $ / shares	$ 1,000
Cumulative dividend rate	16.00%
Private placement warrants | Series B-1 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock issued (in shares)	150,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001
Liquidation preference (in dollars per share) | $ / shares	$ 1,000
Cumulative dividend rate	16.00%
Private placement warrants | Series B-2 Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Preferred stock issued (in shares)	150,000
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.0001
Public warrants
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares)											9,800,000
Number of warrants repurchased (in shares)							1,200,000
ATM Facility
Class of Warrant or Right [Line Items]
Maximum aggregate offering of common stock | $										$ 30,000,000