Summary of Significant Accounting Policies - Schedule of Impact of Company's Adoption of the ASU (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets	$ 12,380	$ 5,917
Other assets	33,487	29,502
Long-term non-recourse debt, current portion	6,368	4,722
Recourse debt	242,400	197,000
Long-term non-recourse debt, net of current portion	$ 505,918	333,042
As Previously Reported
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets		6,696
Other assets		32,277
Long-term non-recourse debt, current portion		5,408
Recourse debt		194,975
Long-term non-recourse debt, net of current portion		337,935
Adoption of ASU
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets		(779)
Other assets		(2,775)
Long-term non-recourse debt, current portion		(686)
Recourse debt		2,025
Long-term non-recourse debt, net of current portion		$ (4,893)

- 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.

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