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Credit Losses - Accounts Receivable (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Accounts Receivable, Noncurrent, Past Due [Line Items]
Percentage of receivables, current	87.00%	90.00%
Accounts receivable, net	$ 194,800	$ 171,500
Allowance for doubtful accounts, current	$ 2,171	$ 3,374	$ 9,383	$ 7,056
Past due less than 60 days
Accounts Receivable, Noncurrent, Past Due [Line Items]
Percentage of receivables, past due	4.00%	2.00%
Past due less than 120 days
Accounts Receivable, Noncurrent, Past Due [Line Items]
Percentage of receivables, past due	6.00%	3.00%

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- Definition

Financing Receivable, Percent Not Past Due

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 310
-Section 45
-Paragraph 1
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-Section S99
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- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(4)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Percentage of financing receivable balance that is past due.

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