Fair value of financial instruments (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Assets, Liabilities and Temporary Equity Measured at Fair Value on a Recurring Basis

The following table summarizes the Company’s assets, liabilities and temporary equities measured at fair value on a recurring basis as of June 30, 2021: 

	Total		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets
Investments in equity securities	$	62,256	$	62,256	$	—	$	—
Interest rate cap agreements	$	6,432	$	—	$	6,432	$	—
Liabilities
Contingent earn-out obligations	$	28,342	$	—	$	—	$	28,342
Temporary equity
Noncontrolling interests subject to put provisions	$	1,426,211	$	—	$	—	$	1,426,211