Equity investees (Tables)

12 Months Ended

Dec. 31, 2020

Equity Method Investments and Joint Ventures [Abstract]

Summary of aggregate financial information for equity investees

Summarized aggregate financial information for equity investees (in which the Company typically owns 20% through 50% of the equity) is as follows: 

	2020	2019	2018
	(in $ thousands)
For the year:
Revenues	26,396	19,660	22,286
Net income	7,101	6,231	4,729
At December 31:
Total assets	36,222	36,865	33,268
Notes payable	27,133	27,841	24,833
Stockholders’ equity	4,868	6,341	6,292