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Description of Business and Summary of Significant Accounting Policies (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Asset Impairment Charges [Abstract]
Reverse stock split, conversion ratio				0.5555
Operating lease, impairment loss	$ 1,200			$ 16,500	$ 5,100
Impairment charges		$ 1,184	$ 60	19,414	$ 5,059
Fixed asset impairment charges				$ 2,900
Revenue Benchmark \| Customer Concentration Risk \| Local SMBs
Asset Impairment Charges [Abstract]
Concentration risk, percentage				90.00%
Revenue Benchmark \| Customer Concentration Risk \| Regional and National Large Businesses
Asset Impairment Charges [Abstract]
Concentration risk, percentage				10.00%
SaaS
Asset Impairment Charges [Abstract]
Operating lease, impairment loss		100		$ 500
Impairment charges				1,800
Marketing Services
Asset Impairment Charges [Abstract]
Operating lease, impairment loss		$ 1,100		4,600
Impairment charges				$ 16,400