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Goodwill (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Goodwill
The following presents changes in goodwill during 2020 and 2019 (in thousands):
20202019
Beginning of period$4,453 $— 
Acquisition of American Electric
— 139 
Acquisition of Diversenergy
— 4,314 
End of period$4,453 $4,453