7.            Goodwill and Other Intangible Assets:

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The following table summarizes the changes in the carrying amount of goodwill for the three months ended March 31, 2021:

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Goodwill acquired through our acquisition of CDF is provisional for a period of up to one year from the acquisition date.

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Information related to the Company’s other intangibles, net is as follows:

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Customer relationships are amortized over thirteen years. Vendor relationships are amortized between eleven and fifteen years. Trade name is amortized over fifteen years. Non-compete is amortized over one year. Intangible assets acquired through our acquisition of CDF are provisional for a period of up to one year from the acquisition date.

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During the three months ended March 31, 2021, the Company recognized total amortization expense for other intangibles, net of $0.2 million. There was no amortization expense for other intangibles, net during the three months ended March 31, 2020.

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Estimated future amortization expense of the Company’s other intangibles, net as of March 31, 2021 is as follows:

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