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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Allowance for Doubtful Accounts and Other Accounts Receivable Allowance

The following is an analysis of the allowance for doubtful accounts and other accounts receivable allowances for the years ended December 31, 2020, 2019 and 2018:

(In thousands)		2020				2019				2018
Balance at January 1		$	9,325			$	9,654			$	10,116
Provision charged to income			864				29				764
Accounts written off, net of recoveries			(56	)			(358	)			(1,226	)
Balance at December 31		$	10,133			$	9,325			$	9,654

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- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

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