Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Common stock shares authorized under equity program	500,000,000	500,000,000	500,000,000
Net proceeds *	$ (127)	$ 19,699
At-the-market offering
Class of Stock [Line Items]
Common stock shares authorized under equity program	6,400,000
Common stock shares reserved for future issuance	3,600,000
Shares issued	0	700,000
Net proceeds *	$ (100)	$ 19,700
Issuance costs	$ 127	$ 300