The following table presents changes to goodwill for the years ended December 31, 2021, 2020 and 2019:

		Total
Balance at December 31, 2018 (Predecessor)		$119,529,202
Acquisitions		—
Dispositions		—
Impairment Loss		—
Balance at July 10, 2019 (Predecessor)		$119,529,202

Balance at July 11, 2019 (Successor)		$339,911,400
Acquisitions		49,749,119
Dispositions		—
Impairment Loss		—
Balance at December 31, 2019 (Successor)		$389,660,519
Acquisitions		62,263,733
Dispositions		—
Impairment Loss		—
Measurement period adjustment		7,046,003
Balance at December 31, 2020		458,970,255
Acquisitions		366,622,156
Dispositions		—
Impairment Loss		—
Measurement period adjustment		(10,779)
Other		(1,500,000)
Balance at December 31, 2021		$824,081,632

During the year ended December 31, 2020, the Company recognized a $7.0 million measurement period adjustment in accordance with APS acquisition, of which $6.6 million was due to a valuation adjustment on contingent consideration.

The Company has only one operating segment and, based on the criteria outlined in ASC 350, Intangibles – Goodwill and Other (“ASC 350”), only one reporting unit that needs to be tested for goodwill impairment. Accordingly, goodwill was reviewed for impairment at the consolidated entity level. The Company concluded that goodwill was not impaired as of December 31, 2021. As of December 31, 2021 and 2020, there were no accumulated impairment losses on the Company’s goodwill.