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Share-based compensation (Tables)
3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Options Granted and Outstanding
The following table provides detail of the options granted and outstanding (dollars in thousands):
 OptionsWeighted Average
Exercise Price
Weighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value
Options outstanding as of December 31, 20223,071,187 $5.39 7.2$— 
Granted— — 
Forfeited/Expired(178,656)4.05 
Options outstanding as of March 31, 20232,892,531 $5.47 6.3$— 
Options exercisable as of March 31, 20232,355,436 $5.67 5.8$—