The following table summarizes the carrying value of the Company’s debt as of March 31, 2021 and December 31, 2020:

	March 31, 2021			December 31, 2020
	(in thousands)
Senior Notes	$	500,000		$	500,000
Less unamortized deferred debt issuance costs		(5,670	)		(5,897	)
Long-term debt	$	494,330		$	494,103

On June 10, 2019, the Company’s wholly-owned subsidiary, Grubhub Holdings Inc., issued $500.0 million in aggregate principal amount of 5.500% senior notes due July 1, 2027 (“Senior Notes”) in a private placement exempt from the registration requirements of the Securities Act of 1933, as amended. Interest is payable on the Senior Notes semi-annually on January and July of each year, beginning on January 1, 2020. The interest payment due on January 1, 2021 of $13.8 million was paid in December 2020. There have been no changes in the terms of the Senior Notes as described in Part II, Item 8, Note 11, Debt, to the Company’s 2020 Form 10-K.

On February 6, 2019, the Company entered into an amended and restated credit agreement (as amended on May 8, 2020, the “Credit Agreement”) which provides, among other things, for aggregate revolving loans up to $225 million and provided for term loans in an aggregate principal amount of $325 million. The $325 million term loan portion of the Credit Agreement was extinguished on June 10, 2019. In addition to the revolving loans available under the Credit Agreement, the Company may also incur up to $250 million of incremental revolving or term loans pursuant to the terms and conditions of the Credit Agreement. The credit facility under the Credit Agreement will be available to the Company until February 5, 2024. There have been no material changes in the terms of the Credit Agreement as described in Part II, Item 8, Note 11, Debt, to the Company’s 2020 Form 10-K.

As of March 31, 2021, the Company’s outstanding debt consisted of $500.0 million in Senior Notes.

See Note 13, Fair Value Measurement, for the fair value of the Company’s Senior Notes as of March 31, 2021. The Company was in compliance with the financial covenants of its debt facilities as of March 31, 2021. Additional capacity under the Credit Agreement may be used for general corporate purposes, including funding working capital and future acquisitions.

As of March 31, 2021 and December 31, 2020, unamortized debt issuance costs of $1.0 million and $1.1 million, respectively, related to the revolving loan facility and $5.7 million and $5.9 million, respectively, related to the Senior Notes were recorded as other assets and as a reduction of long-term debt, respectively, on the condensed consolidated balance sheets.

Interest expense includes interest on outstanding borrowings, amortization of debt issuance costs and commitment fees on the undrawn portion available under the credit facility, net of capitalized borrowing costs. The Company recognized interest expense of $7.3 million during each of the three months ended March 31, 2021 and 2020.