Business Acquisition (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Business Acquisition Contributed Total Revenue	$ 800
Total consideration of transaction, net of cash acquired	27,000
Purchase accounting adjustments (1)	(2,553)
Goodwill, Acquired During Period	16,741
Business Acquisition, Purchase Price Allocation, Goodwill, Expected Tax Deductible Amount	16,700
Digital Media Segment [Member]
Purchase accounting adjustments (1)	(14)
Goodwill, Acquired During Period	622
Voice, Backup, Security and CPP [Member]
Purchase accounting adjustments (1)	(2,539)
Goodwill, Acquired During Period	$ 0