Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The table below sets forth our fair value hierarchy for our financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2020 and December 31, 2019.

	Level 1		Level 2		Level 3		Total
June 30, 2020
Assets:
Convertible debt investment	$	—	$	—	$	54,524	$	54,524
Deferred compensation assets	—		28,155		—		28,155
Total assets	$	—	$	28,155	$	54,524	$	82,679
Liabilities:
Interest rate swaps	$	—	$	5,125	$	—	$	5,125
Total liabilities	$	—	$	5,125	$	—	$	5,125
December 31, 2019
Assets:
Convertible debt investment	$	—	$	—	$	49,542	$	49,542
Deferred compensation assets	—		27,445		—		27,445
Total assets	$	—	$	27,445	$	49,542	$	76,987
Liabilities:
Interest rate swap	$	—	$	546	$	—	$	546
Total liabilities	$	—	$	546	$	—	$	546

Convertible senior notes

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The table below sets forth the changes in the balance of the convertible debt investment for the six months ended June 30, 2020.

	Convertible Debt Investment
Balance as of December 31, 2019	$	49,542
Purchases	13,000
Change in fair value of convertible debt investment	(8,018		)
Balance as of June 30, 2020	$	54,524