6. INTANGIBLE ASSETS

Goodwill as of March 31, 2022 and December 31, 2021 was $161,678 and $52,541, respectively. The increase relates to goodwill acquired from the acquisition of Even Financial. See Note 17, “Mergers and Acquisitions,” for more information regarding goodwill and other intangible assets acquired from Even Financial.

Intangible assets consisted of the following:

For the three months ended March 31, 2022 and 2021, total amortization expense was $3,191 and $451, respectively.

The following table summarizes estimated future amortization expense of intangible assets placed in service at March 31, 2022 for the years ending:

6. INTANGIBLE ASSETS

Goodwill as of December 31, 2021 and 2020 was $52,541 and $21,565, respectively. The increase relates to goodwill acquired from the acquisition of MALKA. See Note 17, “Mergers and Acquisitions,” for more information regarding goodwill and other intangible assets acquired from MALKA.

Intangible assets consisted of the following:

For the twelve months ended December 31, 2021 and 2020, total amortization expense was $2,049 and $791, respectively.

The following table summarizes estimated future amortization expense of intangible assets placed in service at December 31, 2021 for the years ending: