Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Long-lived Assets From Continuing Operations) (Details)

v3.22.1
Segment Information (Long-lived Assets From Continuing Operations) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]    
Total assets $ 308,510 $ 263,090
Continuing Operations [Member]    
Segment Reporting Information [Line Items]    
Long lived assets 121,935 94,324
Total assets 308,510 263,090
Operating Segments [Member] | Gabon Segment [Member] | Continuing Operations [Member]    
Segment Reporting Information [Line Items]    
Long lived assets 111,787 84,156
Total assets 235,229 201,748
Operating Segments [Member] | Equatorial Guinea Segment [Member] | Continuing Operations [Member]    
Segment Reporting Information [Line Items]    
Long lived assets 10,000 10,000
Total assets 10,871 10,548
Corporate and Other [Member] | Continuing Operations [Member]    
Segment Reporting Information [Line Items]    
Long lived assets 148 168
Total assets $ 62,410 $ 50,794