Prepaid Expenses and Other Assets (Tables)

12 Months Ended

Dec. 31, 2017

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Summary of Prepaid Expenses and Other Assets

Prepaid expenses and other assets consist of the following as of December 31 (in thousands):

	2017		2016
Prepaid expenses	$	7,494	$	6,209
Contract retainage		1,449		—
Revenues in excess of billings		4,841		—
Income tax receivable		2,230		4,024
Other		864		167
Total prepaid expenses and other assets	$	16,878	$	10,400