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Revenue - Summary of Revenue Disaggregated by Sales Channel and Major Products and Services (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 148,094 | $ 154,198
Direct |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 125,361 | 115,094
National Advertising |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 19,393 | 20,295
Other |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 3,340 | 3,949
Retail |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 148,094 | 139,338
Wholesale |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 0 | 14,860
Subscription Advertising and Digital Solutions |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 117,263 | 121,314
Display Advertising |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 23,359 | 22,289
Pay Per Lead |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | 5,743 | 7,934
Other |  |
Disaggregation Of Revenue [Line Items] |  |
Total revenue | $ 1,729 | $ 2,661

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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