Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2019

Receivables [Abstract]

Schedule of Accounts Receivable

As of June 30, 2019 and December 31, 2018, Accounts receivable consisted of the following:

(in thousands)	June 30, 2019	December 31, 2018
Trade and other accounts receivable	$214,045	$211,244
Bank promissory notes	14,680	19,269
Allowance for doubtful accounts	(8,141)	(7,337)
Accounts receivable, net	$220,584	$223,176

Schedule of Contract Receivables

As of June 30, 2019 and December 31, 2018, Noncurrent receivables consisted of the following:

20

(in thousands)	June 30, 2019	December 31, 2018
Noncurrent receivables	$45,651	$45,061