Debt (Debt Repayment) (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	$ 238,735
2018	12,358
2019	12,668
2020	290,308
2021	525,133
Thereafter	1,380,138
Long-term Debt	2,459,340
Interest imputed on Capital Leases	(2,215)
Original issuer's discount	(400)
Current portion	(238,065)
Non-current portion	2,218,660
Capital Leases
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	1,934
2018	1,936
2019	1,934
2020	1,934
2021	1,936
Thereafter	1,233
Long-term Debt	10,907
Interest imputed on Capital Leases	(2,215)
Original issuer's discount	0
Current portion	(1,264)
Non-current portion	7,428
Line of Credit
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	436
2018	452
2019	454
2020	209
2021	132
Thereafter	1,151,348
Long-term Debt	1,153,031
Interest imputed on Capital Leases	0
Original issuer's discount	0
Current portion	(436)
Non-current portion	1,152,595
Non- Recourse
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	233,365
2018	6,970
2019	7,280
2020	7,665
2021	8,065
Thereafter	227,557
Long-term Debt	490,902
Interest imputed on Capital Leases	0
Original issuer's discount	(400)
Current portion	(233,365)
Non-current portion	257,137
Revolver
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	0
2018	0
2019	0
2020	0
2021	515,000
Thereafter	0
Long-term Debt	515,000
Interest imputed on Capital Leases	0
Original issuer's discount	0
Current portion	0
Non-current portion	515,000
Term Loan
Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt
2017	3,000
2018	3,000
2019	3,000
2020	280,500
2021	0
Thereafter	0
Long-term Debt	289,500
Interest imputed on Capital Leases	0
Original issuer's discount	0
Current portion	(3,000)
Non-current portion	$ 286,500

Debt repayment schedules under capital lease obligations, long-term debt and non-recourse debt.

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Imputed Interest on capital lease.

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Long-Term Debt, Maturities, Repayments Of Principal After Year Six

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Long term debt ,Nonrecourse Debt and capital lease obligation excluding current portion.

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Original issuer's discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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