Interest Costs (Tables)

3 Months Ended

Mar. 31, 2019

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Summary of Interest Costs

The following is a summary of our interest costs for the three month periods ended March 31, 2019 and 2018 (in thousands):

	For the Three Months
	Ended March 31,
	2019			2018
Interest costs charged to expense	$	26,531		$	24,980
Amortization of deferred financing costs		1,249			1,035
Accretion of debt discount on Convertible Notes		5,534			5,224
Amortization of debt premium on Senior Secured Notes		(760	)		(685	)
Interest expense		32,554			30,554
Interest costs capitalized to property and equipment		4			12
Interest costs capitalized to software		125			32
Total interest costs	$	32,683		$	30,598