As of September 30, 2014, our Portfolio included approximately $610 million of financing receivables, investments and real estate on our balance sheet. The financing receivables and investments are typically collateralized contractually committed debt obligations of government entities or private high credit quality obligors and are often supported by additional forms of credit enhancement, including security interests and supplier guaranties. The real estate is typically land and related lease intangibles for long-term leases to sustainable infrastructure projects with high credit quality obligors.

The following is an analysis of our Portfolio by type of obligor and credit quality as of September 30, 2014.

The components of financing receivables as of September 30, 2014 and December 31, 2013, were as follows:

In accordance with the terms of certain financing receivables purchase agreements, payments of the purchase price is scheduled to be made over time, generally within twelve months of entering into the transaction, and as a result, we have recorded deferred funding obligations of $49.7 million and $74.7 million as of September 30, 2014 and December 31, 2013, respectively. We have $4.9 million and $49.9 million in restricted cash as of September 30, 2014 and December 31, 2013, respectively, which will be used to pay these funding obligations.

During the first quarter ended March 31, 2014, we sold a debt security of $3.2 million that was recorded at fair value and classified as available-for-sale as of December 31, 2013. The fair value of the debt security approximated its carrying value as of December 31, 2013. During the three months ended June 30, 2014, as part of our portfolio management process, we sold certain investments designated as held-to-maturity for $15.5 million with a carrying value of $14.7 million and realized a gain on sale of these investments of $0.8 million. As a result, we transferred all of our remaining investments in debt securities to investments available-for-sale at fair value. From the date of this transfer through September 30, 2014, we sold certain available-for-sale debt securities with a fair value of $43.6 million and a cost of $41.4 million and realized a gain on sale of these investments of $2.2 million. As of September 30, 2014, all of our investments in debt securities are classified as investments available for sale and we are carrying them on our balance sheet at fair value. There were no investments in an unrealized loss position as of September 30, 2014 or December 31, 2013.

The components of our real estate portfolio as of September 30, 2014 and December 31, 2013, were as follows:

The lease intangible asset for favorable land leases will be amortized on a straight-line basis over the lease terms with expirations dates that range between the years 2052 and 2061 assuming expected extensions. There is a conservation easement agreement covering one of our properties acquired that limits the use of the property at the expiration of the lease that is expected to be in 2061. As of September 30, 2014, the future amortization expense to be recognized related to these intangible assets is:

The following table provides a summary of our anticipated maturity dates of our financing receivables (excluding the financing receivable held-for-sale) and investments and the weighted average yield for each range of maturities as of September 30, 2014:

Our real estate is rented under long term land lease agreements with expiration dates that range between the years 2041 and 2044 under the initial terms and 2052 and 2061 assuming expected extensions. As of September 30, 2014, the future minimum rental income under our land lease agreements is as follows:

In December 2013, we recorded an allowance of $11.0 million on the remaining $11.8 million balance of a $24 million loan made in May 2013 to a wholly owned subsidiary of EnergySource to be used for a geothermal project. The loan’s average outstanding balance for the three and nine months ended September 30, 2014 was $11.8 million. No interest income was accrued or collected in cash on the loan for the three and nine months ended September 30, 2014. For the three and nine months ended September 30, 2013, we recorded and collected interest income on the loan of $0.4 million and $0.6 million, respectively. For the three and nine months ended September 30, 2013, we also recognized income from EnergySource for investment banking and management services of $0.1 million and $0.5 million, respectively. The project is considered a variable interest entity and the maximum exposure to loss is the net balance of $0.8 million, which represents our current estimate of the realizable sale value of assets as described below. As previously disclosed, certain of our executive officers and directors own an indirect minority interest in EnergySource following the distribution of the Predecessor’s ownership interest prior to our IPO. We have continued to pursue recovery options relating to this loan and expect to enter into an agreement in November 2014, where in full satisfaction of the remaining balance of our loan we would realize a portion of the proceeds from the sale of land held by EnergySource. We expect our recovery from the land sale to equal the net balance of $0.8 million and have agreed to cap our recovery at $2.0 million. However, there can be no assurance as to the actual timing or ultimate recovery from any land sale or whether any land sale will in fact occur.

We had no other financing receivables, investments or leases on nonaccrual status as of September 30, 2014 and December 31, 2013. There was no provision for credit losses for the three and nine months ended September 30, 2014, or September 30, 2013. We evaluate any modifications to our financing receivables in accordance with the guidance in ASC 310, Receivables. We evaluate modifications of financing receivables to determine if the modification is more than minor, whereby any related fees, such as prepayment fees, would be recognized in income at the time of the modification. We did not have any loan modifications that qualify as trouble debt restructurings for the three months and nine months ended September 30, 2014 or 2013.