Goodwill and Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Goodwill, impairment	$ 0	$ 0
Impairment of intangible asset	0	0		$ 1,959,000
Net carrying value	63,110,000	52,054,000
Impairment of intangible asset	17,005,000	11,882,000		12,047,000
Canceled Patent
Finite-Lived Intangible Assets [Line Items]
Impairments on cancelled patent			$ 2,777,000
Write-off of accumulated amortization on intangible assets			818,000
Impairment of intangible asset			$ 1,959,000
Net carrying value					$ 0
Operating Expense
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible asset	17,005,000	11,988,000		12,159,000
Cost of Sales
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible asset	$ 0	$ 106,000		$ 112,000