Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Litigation and non-routine costs, net of insurance recoveries

Merger, litigation and non-routine costs, net include the following costs and recoveries (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Merger, litigation and non-routine costs, net:
Merger costs	$	12,673	$	—	$	12,673	$	—
Legal fees and settlements (1) (2)	277		(118)		345		(6,211)
Insurance recoveries	(6,345)		—		(6,345)		(2,471)
Total	$	6,605	$	(118)	$	6,673	$	(8,682)

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(1)Includes all fees and litigation settlements associated with various corporate matters and litigations and investigations prompted by the results of the 2014 investigation conducted by the audit committee (the “Audit Committee”) of the Company’s Board of Directors (the “Audit Committee Investigation”), net of accrual reversals.

(2)The negative balance for the three and six months ended June 30, 2020 is a result of estimated costs accrued in prior periods that exceeded actual expenses incurred.

Summary of equity-based compensation expense

The following is a summary of equity-based compensation expense for the three and six months ended June 30, 2021 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Time-Based Restricted Stock Units (1)	$	1,504	$	1,397	$	2,942	$	2,782
Long-Term Incentive-Based Restricted Stock Units	1,439		1,401		2,554		2,500
Deferred Stock Units	1,027		947		1,112		1,019
Stock Options	167		326		421		625
Total	$	4,137	$	4,071	$	7,029	$	6,926

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(1)Includes stock compensation expense attributable to awards for which the requisite service period begins prior to the assumed future grant date.