Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Cash flows from operating activities:
Net income (loss)	$ 353,526	$ (5,785)	$ 127,669
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	500,720	392,592	300,470
Debt related amortization	13,401	5,934	5,674
Amortization of Intangible Assets	92,053	55,484	0
Net (gain) loss on sale of leasing equipment	(35,812)	20,347	(2,013)
Unrealized (gain) loss on derivative instruments, net	(1,397)	(4,405)	2,240
Write-off of debt costs	6,973	141	1,170
Deferred income taxes	(94,678)	(809)	3,353
Stock compensation charge	5,641	5,399	12,048
Changes in operating assets and liabilities:
Net equipment sold for resale activity	8,821	4,031	0
Accounts receivables	(5,967)	(1,592)	5,494
Accounts payable and other accrued expenses	(42,402)	10,694	(2,768)
Other assets	3,799	2,194	(2,814)
Cash received (payments) on termination of derivative instruments	2,117	(37)	(1,219)
Net cash provided by operating activities	806,795	484,188	449,304
Cash flows from investing activities:
Purchases of leasing equipment and investments in finance leases	(1,562,863)	(629,332)	(398,799)
Proceeds from sale of equipment, net of selling costs	190,744	145,572	171,719
Cash collections on finance lease receivables, net of income earned	60,673	38,650	14,178
Cash Acquired from Acquisition	0	50,349	0
Other	55	(685)	(2,819)
Net cash (used in) investing activities	(1,311,391)	(395,446)	(215,721)
Cash flows from financing activities:
Issuance (redemption) of common shares	192,861	(7,410)	0
Financing fees paid under debt facilities	(34,494)	(6,554)	(2,972)
Borrowings under debt facilities	3,102,825	661,971	685,500
Payments under debt facilities and capital lease obligations	(2,539,711)	(602,152)	(886,979)
(Increase) decrease in restricted cash	(43,846)	31,396	8,877
Payments to Noncontrolling Interests	(18,890)	(24,732)	(46,927)
Common stock dividends paid	(135,557)	(84,752)	0
Proceeds from (Payments for) Other Financing Activities	241	0	0
Net cash provided by financing activities	523,429	(32,233)	(242,501)
Net increase (decrease) in cash and cash equivalents	18,833	56,509	(8,918)
Unrestricted cash and cash equivalents, end of period	132,031	113,198	56,689
Unrestricted cash and cash equivalents, beginning of period	113,198	56,689	65,607
Supplemental disclosures:
Interest paid	269,601	181,559	131,749
Income taxes (refunded) paid	(288)	309	1,477
Supplemental non-cash investing activities:
Equipment purchases payable	128,133	83,567	12,128
Business Combination, Contingent Consideration, Asset	$ 0	$ 510,186	$ 0