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Accounts Receivable - Schedule of accounts receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable
Contract receivables	$ 385,744	$ 282,283
Other	6,099	7,475
Accounts receivable, gross current	391,843	289,758
Less: Allowance for doubtful accounts	(3,364)	(1,331)
Accounts receivable, net	$ 388,479	$ 288,427

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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