Goodwill and Other Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2020

The changes in the carrying amount of goodwill were as follows (in thousands):


Balance, January 1, 2019	$	515,321
Acquisitions	43,804
Measurement period adjustments	(1,211)
Balance, December 31, 2019	557,914
Acquisitions	6,294
Measurement period adjustments	(3,380)

Balance, September 30, 2020	$	559,935

Other intangible assets consisted of the following (in thousands, except weighted-average life):


	September 30, 2020
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Indefinite life:
Trademark and trade names	$	11,350	$	—	$	11,350	N/A
License agreements (GSE)	5,390		—		5,390		N/A
Definite life:
Trademark and trade names	8,449		(7,096)		1,353		0.1
Non-contractual customers	30,131		(8,825)		21,306		7.0
License agreements	4,981		(4,022)		959		0.0
Non-compete agreements	6,982		(3,095)		3,887		0.6
Contractual customers	3,052		(1,482)		1,570		0.4
Below market leases	926		(187)		739		0.2
Total	$	71,261	$	(24,707)	$	46,554	5.1


	December 31, 2019
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Indefinite life:
Trademark and trade names	$	11,350	$	—	$	11,350	N/A
License agreements (GSE)	5,390		—		5,390		N/A
Definite life:
Trademark and trade names	10,511		(9,070)		1,441		0.1
Non-contractual customers	24,262		(6,109)		18,153		7.4
License agreements	4,981		(3,288)		1,693		0.1
Non-compete agreements	6,953		(2,434)		4,519		0.8
Contractual customers	3,052		(1,177)		1,875		0.5
Below market leases	941		(136)		805		0.3
Total	$	67,440	$	(22,214)	$	45,226	4.9

The estimated future amortization of definite life intangible assets as of September 30, 2020 was as follows (in thousands):