Stockholders’ equity (Details) - USD ($) shares in Thousands		12 Months Ended
	Dec. 23, 2021	Dec. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Preferred Stock, Shares Issued	2
Payments of Stock Issuance Costs		$ 2.3
Preferred Stock, Liquidation Preference, Value	$ 25,000	25,000
Preferred Stock, Value, Issued		$ 50,000	$ 0
Preferred Stock, Dividend Rate, Percentage	5.75%	5.75%