Segment and Geographic Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Geographic Segment Information
Total leasing revenues	$ 321,397	$ 338,566	$ 642,865	$ 679,425
Equipment trading revenues	16,903	23,209	32,283	41,037
Asia
Geographic Segment Information
Total leasing revenues	117,574	134,355	238,380	271,805
Equipment trading revenues	3,154	3,693	4,686	6,985
Europe
Geographic Segment Information
Total leasing revenues	163,214	163,436	327,477	325,993
Equipment trading revenues	5,261	7,560	10,213	12,431
Americas
Geographic Segment Information
Total leasing revenues	30,352	30,908	56,613	61,690
Equipment trading revenues	6,844	9,288	13,439	16,053
Bermuda
Geographic Segment Information
Total leasing revenues	438	539	881	1,217
Equipment trading revenues	0	0	0	0
Other international
Geographic Segment Information
Total leasing revenues	9,819	9,328	19,514	18,720
Equipment trading revenues	$ 1,644	$ 2,668	$ 3,945	$ 5,568