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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregate of Revenue by Reportable Segment and Revenue Category | The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2021:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 300,343 |  |  | $ | 43,853 |  |  | $ | 344,196 |
Subscriber Solutions & Experience |  |  | 189,121 |  |  |  | 10,500 |  |  |  | 199,621 |
Traditional & Other Products |  |  | 9,370 |  |  |  | 9,817 |  |  |  | 19,187 |
Total |  | $ | 498,834 |  |  | $ | 64,170 |  |  | $ | 563,004 |
The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2020:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 262,578 |  |  | $ | 50,560 |  |  | $ | 313,138 |
Subscriber Solutions & Experience |  |  | 161,824 |  |  |  | 9,263 |  |  |  | 171,087 |
Traditional & Other Products |  |  | 13,613 |  |  |  | 8,672 |  |  |  | 22,285 |
Total |  | $ | 438,015 |  |  | $ | 68,495 |  |  | $ | 506,510 |
The following table disaggregates revenue by reportable segment and revenue category for the year ended December 31, 2019:
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 289,980 |  |  | $ | 58,894 |  |  | $ | 348,874 |
Subscriber Solutions & Experience |  |  | 144,651 |  |  |  | 8,269 |  |  |  | 152,920 |
Traditional & Other Products |  |  | 20,595 |  |  |  | 7,672 |  |  |  | 28,267 |
Total |  | $ | 455,226 |  |  | $ | 74,835 |  |  | $ | 530,061 |
The following tables disaggregate our revenue by category for the years ended December 31, 2021, 2020 and 2019:
|  | 2021 |
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 300,343 |  |  | $ | 43,853 |  |  | $ | 344,196 |
Subscriber Solutions & Experience |  |  | 189,121 |  |  |  | 10,500 |  |  |  | 199,621 |
Traditional & Other Products |  |  | 9,370 |  |  |  | 9,817 |  |  |  | 19,187 |
Total |  | $ | 498,834 |  |  | $ | 64,170 |  |  | $ | 563,004 |
|  | 2020 |
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 262,578 |  |  | $ | 50,560 |  |  | $ | 313,138 |
Subscriber Solutions & Experience |  |  | 161,824 |  |  |  | 9,263 |  |  |  | 171,087 |
Traditional & Other Products |  |  | 13,613 |  |  |  | 8,672 |  |  |  | 22,285 |
Total |  | $ | 438,015 |  |  | $ | 68,495 |  |  | $ | 506,510 |
|  | 2019 |
(In thousands) |  | Network Solutions |  |  | Services & Support |  |  | Total |
Access & Aggregation |  | $ | 289,980 |  |  | $ | 58,894 |  |  | $ | 348,874 |
Subscriber Solutions & Experience |  |  | 144,651 |  |  |  | 8,269 |  |  |  | 152,920 |
Traditional & Other Products |  |  | 20,595 |  |  |  | 7,672 |  |  |  | 28,267 |
Total |  | $ | 455,226 |  |  | $ | 74,835 |  |  | $ | 530,061 |
Information about Receivable, Contract Assets, and Unearned Revenue from Contracts with Customers | The following table provides information about accounts receivable, contract assets and unearned revenue from contracts with customers:
(In thousands) |  | December 31, 2021 |  |  | December 31, 2020 |
Accounts receivable |  | $ | 158,742 |  |  | $ | 98,827 |
Contract assets(1) |  | $ | 464 |  |  | $ | 63 |
Unearned revenue |  | $ | 17,737 |  |  | $ | 14,092 |
Non-current unearned revenue |  | $ | 9,271 |  |  | $ | 6,888 |
(1) Included in other receivables on the Consolidated Balance Sheets.

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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