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Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
The following represents supplemental cash flow information (in thousands):
For the Year Ended December 31,
  202020192018
Supplemental Disclosure of Non-cash Investing and Financing Activities
Class A and Class B common stock issued in connection with business combinations$— $23,556 $83,173 
Change in goodwill from measurement period adjustments/business combinations2,200 (351)(117)
Acquisition consideration payable4,185 800 — 
Settlement of escrow related to asset acquisition— — 2,519 
Settlement of indemnification asset — — 1,004 
Accrued property and equipment purchases11 (527)368 
Accrued deferred financing costs— — 607 
Consideration for asset acquisitions or business combinations— 16,000 500 
Effects of Leases
 Operating cash flows from operating leases 13,708 12,330 — 
 Leased assets obtained in exchange for operating lease liabilities (2,170)30,463 — 
Effects of Class B Exchanges
Decrease in non-controlling interests as a result of Class B Exchanges— 42,377 34,682 
Decrease in deferred tax liability as a result of securities offerings and exchanges— (22)652 
Supplemental Disclosures
Cash paid for interest13,352 5,037 2,500 
Cash paid for taxes, net9,679 1,484 343