Operating Segments - Profit by Reportable Segment to Net Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Total profit from segments	$ (2,573)	$ (4,126)
Depreciation and amortization	(3,102)	(2,349)
General and administrative	(2,883)	(2,531)
Advisory fee to related party	(2,170)	(3,005)
Other income	679	306
Interest income	9,772	5,814
Interest expense	(4,031)	(5,027)
Gain on foreign currency transactions	971	3,772
Loss on early extinguishment of debt	0	(1,639)
Equity in income from unconsolidated joint venture	688	4,706
Gain on sales or write-down of assets	0	11,148
Income tax provision	(1,112)	(28)
Net income	3,715	14,620
Operating segments
Segment Reporting Information [Line Items]
Total profit from segments	4,903	3,453
Other non-segment items of income (expense)
Segment Reporting Information [Line Items]
Depreciation and amortization	(3,102)	(2,349)
General and administrative	(2,883)	(2,531)
Advisory fee to related party	(2,170)	(3,005)
Other income	679	306
Interest income	9,772	5,814
Interest expense	(4,031)	(5,027)
Gain on foreign currency transactions	971	3,772
Loss on early extinguishment of debt	0	(1,639)
Equity in income from unconsolidated joint venture	688	4,706
Gain on sales or write-down of assets	0	11,148
Income tax provision	$ (1,112)	$ (28)