Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Summary of Accounts Receivable

Accounts receivable consisted of the following:

	December 31,
(table only in thousands)	2020			2019
Contract receivables	$	57,435		$	58,881
Trade receivables		8,721			12,135
Allowance for doubtful accounts		(3,110	)		(2,582	)
Total accounts receivable	$	63,046		$	68,434