Commitment and Contingencies - Summary of liability related to estimated contingent consideration (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Business Combination, Contingent Consideration Arrangements, Change In Amount Of Contingent Consideration [Roll Forward]
Beginning balance	$ 19,691	$ 18,250
Fair value adjustment	148	(1,013)
Ending balance	19,839	17,237
Array | TRA
Business Combination, Contingent Consideration Arrangements, Change In Amount Of Contingent Consideration [Roll Forward]
Beginning balance	19,691	17,808
Fair value adjustment	148	(695)
Ending balance	19,839	17,113
Array | Earn-Out Liability
Business Combination, Contingent Consideration Arrangements, Change In Amount Of Contingent Consideration [Roll Forward]
Beginning balance	0	442
Fair value adjustment	0	(318)
Ending balance	$ 0	$ 124