Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table sets forth our assets and liabilities that are measured at fair value within the fair value hierarchy (in thousands):

			Level 1		Level 2		Level 3
			Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Observable Inputs		Significant Unobservable Inputs
	Total
Fair value as of June 30, 2021:
Assets:
Short-term government securities (cash and cash equivalents)	$	101,900	$	101,900	$	—	$	—
Interest rate swaps (prepaids and other assets)	539		—		539		—
Total assets	$	102,439	$	101,900	$	539	$	—
Liabilities:
Interest rate swaps (other liabilities)	$	1,662	$	—	$	1,662	$	—
Total liabilities	$	1,662	$	—	$	1,662	$	—

			Level 1		Level 2		Level 3
			Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Observable Inputs		Significant Unobservable Inputs
	Total
Fair value as of December 31, 2020:
Asset:
Short-term government securities (cash and cash equivalents)	$	87,081	$	87,081	$	—	$	—
Total assets	$	87,081	$	87,081	$	—	$	—
Liabilities:
Interest rate swaps (other liabilities)	$	3,358	$	—	$	3,358	$	—
Total liabilities	$	3,358	$	—	$	3,358	$	—

Fair Value Measurements on a Nonrecurring Basis

The following table sets forth our assets that are measured at fair value on a nonrecurring basis within the fair value hierarchy (in thousands):

			Level 1		Level 2		Level 3
			Quoted Prices in Active Markets for Identical Assets or Liabilities		Significant Observable Inputs		Significant Unobservable Inputs
	Total
Fair value as of March 31, 2020:
Asset:
Long-lived assets	$	60,000	$	—	$	—	$	60,000

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The estimated fair value within the fair value hierarchy and recorded value of our debt consisting of senior unsecured notes, unsecured term loans, secured mortgages and unsecured lines of credit were as follows (in thousands):

	June 30, 2021		December 31, 2020
Level 1 Quoted Prices in Active Markets for Identical Assets or Liabilities	$	—	$	—
Level 2 Significant Observable Inputs	1,078,747		1,207,531
Level 3 Significant Unobservable Inputs	379,822		432,272
Total fair value of debt	$	1,458,569	$	1,639,803
Recorded value of debt	$	1,368,602	$	1,567,886