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Commitments and Contingencies	6 Months Ended
Commitments and Contingencies	Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Subsequent to June 30, 2020, we received and recognized the arbitrator’s final decision for the ongoing litigation with the joint venture partner on our previously owned Ghana investment, which awarded the joint venture partner $2.6 million in damages (Note 13). As of June 30, 2020, we were not involved in any additional material litigation. Various claims and lawsuits arising in the normal course of business are pending against us. The results of these proceedings are not expected to have a material adverse effect on our condensed consolidated financial statements of operations or results of operations. See Note 4 for unfunded construction commitments.