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Goodwill and other intangible assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and other intangible assets

Schedule of changes in carrying amount of goodwill


		Three Months Ended						Six Months Ended
		June 30,						June 30,
		2020			2019			2020			2019

		(in thousands)
Goodwill, beginning of period		$	539,818		$	529,145		$	539,818		$	501,145
Goodwill acquired			—			—			—			28,000
Goodwill, end of period		$	539,818		$	529,145		$	539,818		$	529,145

Schedule of gross carrying amount and accumulated amortization of intangible assets other than goodwill


													Weighted‑
													Average
							Accumulated			Net Carrying			Remaining
		Useful Life		Gross Value			Amortization			Value			Useful Life

				(in thousands)
Trademarks		1‑8 years			34,320			9,167			25,153		5.8 years
Customer relationships		2‑12 years			214,320			37,564			176,756		9.7 years
Developed technology		5 years			53,560			20,419			33,141		3.2 years
Non‑competes		2 years			90			41			49		1.1 years
Balance, December 31, 2019				$	302,290		$	67,191		$	235,099
Trademarks		8 years			34,320			11,310			23,010		5.3 years
Customer relationships		2‑12 years			214,320			46,711			167,609		9.2 years
Developed technology		5 years			53,560			25,775			27,785		2.7 years
Non‑competes		2 years			90			64			26		0.6 years
Balance, June 30, 2020				$	302,290		$	83,860		$	218,430