The changes in the carrying value of goodwill by segment for the six months ended June 30, 2021 are as follows (in thousands):

The carrying amount and accumulated amortization of intangible assets consisted of the following (in thousands):

Amortization expense for the three and six months ended June 30, 2021 was $1.1 million and $2.1 million, respectively, with equivalent amounts for the same prior year periods, respectively. This expense was recorded in “amortization of intangibles expenses” for each period. Expected remaining annual amortization expense for the next five years for intangible assets recorded as of June 30, 2021 is as follows (in thousands):