Other Intangible, Net and Goodwill

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets and Goodwill

Other Intangibles, Net and Goodwill

All intangible assets determined to have finite lives are amortized over their estimated useful lives. The useful life of an intangible asset is the period over which the asset is expected to contribute directly or indirectly to future cash flows. There was no change in the gross amount of identifiable intangible assets during the three months ended March 31, 2021. Amortization expense of $0.6 million and $0.6 million for the three months ended March 31, 2021 and 2020, respectively, was included in depreciation and amortization in the consolidated statements of comprehensive income. Intangible assets subject to amortization consisted of the following at March 31, 2021:

	Amortization period (years)	Gross Amount		Accumulated Amortization		Net intangible assets
		(in thousands)
Customer relationships	15-20	$	23,000	$	4,859	$	18,141
Tradename	0.5-6	12,900		8,860		4,040
Covenants not to compete	1-10	5,300		3,333		1,967
		$	41,200	$	17,052	$	24,148

The carrying amount of goodwill was $168.3 million at March 31, 2021 and December 31, 2020, respectively.