INTANGIBLE ASSETS

Intangible assets at March 31, 2020 and December 31, 2019 are comprised as follows:



(in thousands)			March 31, 2020
	Gross Carrying Value			Accumulated Amortization		Net Carrying Value
Intangible assets subject to amortization:
Database	$	4,918		$	3,628	$	1,290
Vehicle service agreements in-force	3,680			3,680		—
Customer relationships	12,646			6,044		6,602
In-place lease	1,125			234		891
Non-compete	266			130		136
Intangible assets not subject to amortization:
Tenant relationship	73,667			—		73,667
Trade names	3,264			—		3,264
Total	$	99,566		$	13,716	$	85,850



(in thousands)			December 31, 2019
	Gross Carrying Value			Accumulated Amortization		Net Carrying Value
Intangible assets subject to amortization:
Database	$	4,918		$	3,505	$	1,413
Vehicle service agreements in-force	3,680			3,680		—
Customer relationships	12,646			5,622		7,024
In-place lease	1,125			218		907
Non-compete	266			117		149
Intangible assets not subject to amortization:
Tenant relationship	73,667			—		73,667
Trade names	3,264			—		3,264
Total	$	99,566		$	13,142	$	86,424

As further discussed in Note 5, "Acquisition and Discontinued Operations," during the first quarter of 2019, the Company recorded $5.7 million of separately identifiable intangible assets, related to acquired customer relationships and trade names, as part of the acquisition of Geminus. The customer relationships intangible asset of $3.7 million is being amortized over ten years based on the pattern in which the economic benefits of the intangible asset are expected to be consumed. The trade name intangible assets of $2.0 million are deemed to have indefinite useful lives and are not amortized.

The Company's other intangible assets with definite useful lives are amortized either based on the patterns in which the economic benefits of the intangible assets are expected to be consumed or using the straight-line method over their estimated useful lives, which range from 5 to 18 years. Amortization of intangible assets was $0.6 million and $0.5 million for the three months ended March 31, 2020 and March 31, 2019, respectively.

The tenant relationship and trade names intangible assets have indefinite useful lives and are not amortized. No impairment charges were recorded during the three months ended March 31, 2020 and March 31, 2019.