Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Unused Borrowing Capacity	$ 62,630	$ 5,000
Non-recourse debt, Current	1,824	2,602
Non-recourse debt, Long Term	195,874	188,052
Long term debt, Current	1,824	2,602
Long term debt, Noncurrent	335,898	236,649
Long term debt	337,722	239,251
Line of credit	140,024	48,597
Bank line of credit
Debt Instrument [Line Items]
Line of credit	140,024	48,597
Recourse debt, Total	140,024	48,597
Syndicated Term Loans
Debt Instrument [Line Items]
Non-recourse debt, Current	738	958
Non-recourse debt, Long Term	133,395	123,613
Non-recourse debt, Total	134,133	124,571
Bank Term Loans
Debt Instrument [Line Items]
Non-recourse debt, Current	1,086	1,437
Non-recourse debt, Long Term	31,133	31,945
Non-recourse debt, Total	32,219	33,382
Note payable
Debt Instrument [Line Items]
Non-recourse debt, Long Term	31,346	29,563
Non-recourse debt, Total	31,346	29,563
Non Bank Term Loans
Debt Instrument [Line Items]
Non-recourse debt, Current		207
Non-recourse debt, Long Term		2,931
Non-recourse debt, Total		3,138
Recourse Debt
Debt Instrument [Line Items]
Unused Borrowing Capacity	44,630
Long term debt, Noncurrent	140,024	48,597
Long term debt	140,024	$ 48,597
Recourse Debt \| Bank line of credit
Debt Instrument [Line Items]
Unused Borrowing Capacity	$ 44,630
Interest Rate		4.25%
Maturity Date	Apr. 30, 2018	Dec. 31, 2016
Recourse Debt \| Bank line of credit \| LIBOR
Debt Instrument [Line Items]
Interest Rate	3.69%
Annual Contractual Interest Rate	3.25%
Recourse Debt \| Bank line of credit \| Prime Rate
Debt Instrument [Line Items]
Annual Contractual Interest Rate		1.00%
Non Recourse Debt
Debt Instrument [Line Items]
Unused Borrowing Capacity	$ 18,000	$ 5,000
Long term debt, Current	1,824	2,602
Long term debt, Noncurrent	195,874	188,052
Long term debt	197,698	190,654
Non Recourse Debt \| Syndicated Term Loans
Debt Instrument [Line Items]
Unused Borrowing Capacity	$ 23,000	$ 5,000
Maturity Date	Dec. 31, 2021	Dec. 31, 2021
Non Recourse Debt \| Syndicated Term Loans \| Term A
Debt Instrument [Line Items]
Annual Contractual Interest Rate	6.25%
Non Recourse Debt \| Syndicated Term Loans \| Term B
Debt Instrument [Line Items]
Annual Contractual Interest Rate	12.00%
Non Recourse Debt \| Syndicated Term Loans \| LIBOR \| Term A
Debt Instrument [Line Items]
Interest Rate	3.03%	3.01%
Annual Contractual Interest Rate	2.75%	2.75%
Non Recourse Debt \| Syndicated Term Loans \| LIBOR \| Term B
Debt Instrument [Line Items]
Interest Rate	6.00%	6.00%
Annual Contractual Interest Rate	5.00%	5.00%
Non Recourse Debt \| Bank Term Loans
Debt Instrument [Line Items]
Interest Rate	6.25%	6.25%
Maturity Date	Apr. 30, 2022	Apr. 30, 2022
Non Recourse Debt \| Note payable
Debt Instrument [Line Items]
Interest Rate	12.00%	12.00%
Maturity Date	Dec. 31, 2018	Dec. 31, 2018
Non Recourse Debt \| Non Bank Term Loans
Debt Instrument [Line Items]
Interest Rate		9.08%
Maturity Date		Dec. 31, 2024

Non recourse debt current.

No definition available.

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- Definition

Non recourse debt noncurrent.

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Topic 944

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.16)

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

-Article 5

+ Details

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Glossary Line-of-Credit Arrangement

-URI http://asc.fasb.org/extlink&oid=6517033

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- Definition

Amount of debt for which creditor does not have general recourse to the debtor but rather has recourse only to the property used for collateral in the transaction or other specific property.

+ References

No definition available.

+ Details

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