Fair Value of Financial Assets and Liabilities - Changes in Level 3 Liabilities Measured at Fair Value on Recurring Basis (Detail) - Level 3 - Accounts Payable Accrued and Other Liabilities - Contingent Consideration - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance, Liabilities	$ 39,791	$ 42,159
Total realized and unrealized (gains) losses included in Net income (loss)	4,285	4,661
Unrealized (gains) losses included in Other comprehensive income (loss)	0	55
Purchases/ Issuances	0	2,959
Sales/ Settlements	(14,320)	(10,043)
Closing Balance, Liabilities	29,756	39,791
Net income (loss) on Level 3 Assets/ Liabilities Outstanding	4,285	4,649
Other comprehensive income (loss) on Level 3 Assets / Liabilities Outstanding	$ 0	$ 0