Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Carrying and Estimated Fair Value of Other Financial Instruments

The following table presents the carrying amounts and estimated fair values of our financial instruments by hierarchy level as of September 30, 2020 and December 31, 2019:

	September 30, 2020
			Hierarchy Level (Fair Value)
	Carrying Amount		Level 1		Level 2		Level 3
Liabilities
Acquisition-related contingent consideration, including    current portion (1)(2)	$	18,545	$	—	$	—	$	18,545
2023 Convertible Notes (3)	283,454		—		394,079		—
Total	$	301,999	$	—	$	394,079	$	18,545

	December 31, 2019
			Hierarchy Level (Fair Value)
	Carrying Amount		Level 1		Level 2		Level 3
Liabilities
Acquisition-related contingent consideration, including    current portion (1)	$	14,826	$	—	$	—	$	14,826
2023 Convertible Notes (3)	275,609		—		398,016		—
Total	$	290,435	$	—	$	398,016	$	14,826

(1)The short-term portion is included in “Accounts payable, accrued expenses and other” and the long-term portion is included in “Other liabilities” on the Condensed Consolidated Balance Sheets.  

(2)During the three months ended September 30, 2020, we acquired a strategy consulting and investment banking business that was assigned to the Corporate Finance segment and recorded an acquisition-related contingent consideration liability.

(3)The carrying values include unamortized deferred debt issue costs and debt discount.

Schedule of Acquisition-Related Contingent Consideration

The change in our liability for acquisition-related contingent consideration for our Level 3 financial instruments is as follows:

	Liability for Acquisition-Related Contingent Consideration
Balance at December 31, 2019	$	14,826
Accretion expense (1)	506
Foreign currency translation adjustment (2)	(148)
Balance at March 31, 2020	$	15,184
Accretion expense (1)	614
Payments	(4,692)
Foreign currency translation adjustment (2)	88
Balance at June 30, 2020	$	11,194
Additions (3)	3,460
Accretion expense (1)	3,532
Foreign currency translation adjustment (2)	359
Balance at September 30, 2020	$	18,545

	Liability for Acquisition-Related Contingent Consideration
Balance at December 31, 2018	$	3,698
Accretion expense (1)	93
Balance at March 31, 2019	$	3,791
Accretion expense (1)	93
Payments	(1,000)
Balance at June 30, 2019	$	2,884
Additions (3)	14,004
Accretion expense (1)	531
Foreign currency translation adjustment (2)	(333)
Balance at September 30, 2019	$	17,086

(1)Accretion expense is included in "Selling, general and administrative expenses" on the Condensed Consolidated Statements of Comprehensive Income.

(2)Foreign currency translation adjustments are included in "Other comprehensive income (loss), net of tax" on the Condensed Consolidated Statements of Comprehensive Income.

(3)During the three months ended September 30, 2020 and 2019, we acquired businesses that were assigned to the Corporate Finance segment.