Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Amortized Intangible Assets

Amortized intangible assets consisted of the following (in thousands):

	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	13,687		6,619		7,068
Customer relationships	8,607		5,716		2,891
Non-compete agreements	370		216		154
Balance as of December 31, 2018	$	60,724	$	50,611	$	10,113
	Gross Carrying Value		Accumulated Amortization		Net Carrying Value
Distribution networks	$	38,060	$	38,060	$	—
Completed technologies	13,687		4,181		9,506
Customer relationships	8,607		5,202		3,405
Non-compete agreements	370		92		278
Balance as of December 31, 2017	$	60,724	$	47,535	$	13,189

Estimated Amortization Expense Succeeding Fiscal Years

Estimated amortization expense for each of the five succeeding fiscal years and thereafter is as follows (in thousands):

Year Ended December 31,	Amount
2019	$	2,701
2020	2,185
2021	2,017
2022	1,691
2023	989
Thereafter	530
	$	10,113