Revenue Recognition - Significant Changes in Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Beginning balance	$ 48,786	$ 45,877
Increases due to rights to consideration for customer specific goods produced, but not billed during the period	51,797	48,786
Transferred to receivables from contract assets recognized at the beginning of the period	(48,786)	(45,877)
Increase as a result of cumulative catch-up arising from changes in estimate of completion, excluding amounts transferred to receivables during period		0
Contract asset acquired in a business combination	4,567	0
Ending balance	56,364	48,786
Change in Contract with Customer, Liability [Abstract]
Beginning balance	(18,533)	(17,736)
Revenue deferred of rebates accrued	(29,062)	(19,730)
Recognized as revenue	8,473	1,652
Rebates paid to customers	22,075	17,281
Increase as a result of cumulative catch-up arising from changes in estimate of completion, excluding amounts transferred to receivables during period		0
Ending balance	$ (17,047)	$ (18,533)

No definition available.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

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-Publisher FASB
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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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