Interest and Other Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest and other income
Interest and Other	$ 20,737	$ 2,448	$ 47,223	$ 41,270
Total	34,089	2,448	81,848	41,270
AeroTurbine, Inc.
Interest and other income
Revenue : Engines, airframes, parts and supplies	81,267		226,261
Cost of sales	(67,915)		(191,636)
Gross profit	$ 13,352		$ 34,625