Revenue Recognition (Schedule of Contract Balances) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2018
Revenue From Contract With Customer [Abstract]
Accounts receivable, net	$ 277,168	$ 303,667	$ 260,404
Contract liabilities - current	6,450	11,086	5,357
Contract liabilities - non-current	$ 2,061	$ 779	$ 728

Amount, after 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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