what was the change in thousands in total outstandings under long term financing arrangements from 2007 to 2008?
american tower corporation and subsidiaries notes to consolidated financial statements 2014 ( continued ) 6 . long-term obligations outstanding amounts under the company 2019s long-term financing arrangements consist of the following as of december 31 , ( in thousands ) : .

|  | 2008 | 2007 |
| :--- | :--- | :--- |
| Commercial Mortgage Pass-Through Certificates, Series 2007-1 | $1,750,000 | $1,750,000 |
| Revolving credit facility | 750,000 | 825,000 |
| Term loan | 325,000 | — |
| 7.25% senior subordinated notes | 288 | 288 |
| 7.50% senior notes | 225,000 | 225,000 |
| 7.125% senior notes | 501,107 | 502,202 |
| 7.00% senior notes | 500,000 | 500,000 |
| 5.0% convertible notes | 59,683 | 59,683 |
| 3.25% convertible notes | — | 18,333 |
| 3.00% convertible notes | 161,893 | 344,568 |
| Other convertible notes | 41 | 41 |
| Notes payable and capital leases | 60,134 | 60,169 |
| Total | 4,333,146 | 4,285,284 |
| Less current portion of long-term obligations | (1,837) | (1,817) |
| Long-term obligations | $4,331,309 | $4,283,467 |

commercial mortgage pass-through certificates , series 2007-1 2014during the year ended december 31 , 2007 , the company completed a securitization transaction ( the securitization ) involving assets related to 5295 broadcast and wireless communications towers ( the secured towers ) owned by two special purpose subsidiaries of the company , through a private offering of $ 1.75 billion of commercial mortgage pass-through certificates , series 2007-1 ( the certificates ) . the certificates were issued by american tower trust i ( the trust ) , a trust established by american tower depositor sub , llc ( the depositor ) , an indirect wholly owned special purpose subsidiary of the company . the assets of the trust consist of a recourse loan ( the loan ) initially made by the depositor to american tower asset sub , llc and american tower asset sub ii , llc ( the borrowers ) , pursuant to a loan and security agreement among the foregoing parties dated as of may 4 , 2007 ( the loan agreement ) . the borrowers are special purpose entities formed solely for the purpose of holding the secured towers subject to the securitization . the certificates were issued in seven separate classes , comprised of class a-fx , class a-fl , class b , class c , class d , class e and class f . each of the certificates in classes b , c , d , e and f are subordinated in right of payment to any other class of certificates which has an earlier alphabetical designation . the certificates were issued with terms identical to the loan except for the class a-fl certificates , which bear interest at a floating rate while the related component of the loan bears interest at a fixed rate , as described below . the various classes of certificates were issued with a weighted average interest rate of approximately 5.61% ( 5.61 % ) . the certificates have an expected life of approximately seven years with a final repayment date in april 2037 . the company used the net proceeds from the securitization to repay all amounts outstanding under the spectrasite credit facilities , including approximately $ 765.0 million in principal , plus accrued interest thereon and other costs and expenses related thereto , as well as to repay approximately $ 250.0 million drawn under the revolving loan component of the credit facilities at the american tower operating company level . an additional $ 349.5 million of the proceeds was used to fund the company 2019s tender offer and consent solicitation for the ati .

change_outstanding = 4333146 - 4285284
answer = change_outstanding