Investments in Unconsolidated Subsidiaries (Tables)

12 Months Ended

Dec. 31, 2020

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Condensed Financial Information of Equity Method Investments

Combined condensed financial information for the entities accounted for using the equity method is as follows (dollars in thousands):

	December 31,
	2020		2019
Combined Condensed Balance Sheets Information:
Current assets	$	6,508,718	$	5,407,082
Non-current assets	24,343,229		20,414,598
Total assets	$	30,851,947	$	25,821,680
Current liabilities	$	3,164,135	$	2,241,930
Non-current liabilities	6,696,352		5,857,413
Total liabilities	$	9,860,487	$	8,099,343
Non-controlling interests	$	460,904	$	461,018

	Year Ended December 31,
	2020		2019		2018
Combined Condensed Statements of Operations Information:
Revenue	$	2,036,818	$	1,545,424	$	1,524,685
Operating income	587,689		549,111		906,889
Net income	483,224		419,966		679,712