american tower corporation and subsidiaries notes to consolidated financial statements 2014 ( continued ) maturities 2014as of december 31 , 2003 , aggregate principal payments of long-term debt , including capital leases , for the next five years and thereafter are estimated to be ( in thousands ) : year ending december 31 .
what will be the balance of aggregate principal payments of long-term debt as of december 31 , 2004 , assuming that no new debt is issued?
the holders of the company 2019s convertible notes have the right to require the company to repurchase their notes on specified dates prior to their maturity dates in 2009 and 2010 , but the company may pay the purchase price by issuing shares of class a common stock , subject to certain conditions . obligations with respect to the right of the holders to put the 6.25% ( 6.25 % ) notes and 5.0% ( 5.0 % ) notes have been included in the table above as if such notes mature on the date of their put rights in 2006 and 2007 , respectively . ( see note 19. ) 8 . derivative financial instruments under the terms of the credit facilities , the company is required to enter into interest rate protection agreements on at least 50% ( 50 % ) of its variable rate debt . under these agreements , the company is exposed to credit risk to the extent that a counterparty fails to meet the terms of a contract . such exposure is limited to the current value of the contract at the time the counterparty fails to perform . the company believes its contracts as of december 31 , 2003 are with credit worthy institutions . as of december 31 , 2003 , the company had three interest rate caps outstanding that include an aggregate notional amount of $ 500.0 million ( each at an interest rate of 5% ( 5 % ) ) and expire in 2004 . as of december 31 , 2003 and 2002 , liabilities related to derivative financial instruments of $ 0.0 million and $ 15.5 million are reflected in other long-term liabilities in the accompanying consolidated balance sheet . during the year ended december 31 , 2003 , the company recorded an unrealized loss of approximately $ 0.3 million ( net of a tax benefit of approximately $ 0.2 million ) in other comprehensive loss for the change in fair value of cash flow hedges and reclassified $ 5.9 million ( net of a tax benefit of approximately $ 3.2 million ) into results of operations . during the year ended december 31 , 2002 , the company recorded an unrealized loss of approximately $ 9.1 million ( net of a tax benefit of approximately $ 4.9 million ) in other comprehensive loss for the change in fair value of cash flow hedges and reclassified $ 19.5 million ( net of a tax benefit of approximately $ 10.5 million ) into results of operations . hedge ineffectiveness resulted in a gain of approximately $ 1.0 million and a loss of approximately $ 2.2 million for the years ended december 31 , 2002 and 2001 , respectively , which are recorded in loss on investments and other expense in the accompanying consolidated statements of operations for those periods . the company records the changes in fair value of its derivative instruments that are not accounted for as hedges in loss on investments and other expense . the company does not anticipate reclassifying any derivative losses into its statement of operations within the next twelve months , as there are no amounts included in other comprehensive loss as of december 31 , 2003. .