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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 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 March 31, 2021: |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |
Short-term government securities (cash and cash equivalents) |  | $ | 194,518 |  |  | $ | 194,518 |  |  | $ | — |  |  | $ | — |
Interest rate swaps (prepaids and other assets) |  | 533 |  |  | — |  |  | 533 |  |  | — |
Total assets |  | $ | 195,051 |  |  | $ | 194,518 |  |  | $ | 533 |  |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |
Interest rate swaps (other liabilities) |  | $ | 1,893 |  |  | $ | — |  |  | $ | 1,893 |  |  | $ | — |
Total liabilities |  | $ | 1,893 |  |  | $ | — |  |  | $ | 1,893 |  |  | $ | — |
|  |  |  | 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):
|  | March 31, 2021 |  | December 31, 2020
Level 1 Quoted Prices in Active Markets for Identical Assets or Liabilities |  | $ | — |  |  | $ | — |
Level 2 Significant Observable Inputs |  | 1,226,528 |  |  | 1,207,531 |
Level 3 Significant Unobservable Inputs |  | 406,051 |  |  | 432,272 |
Total fair value of debt |  | $ | 1,632,579 |  |  | $ | 1,639,803 |
Recorded value of debt |  | $ | 1,542,760 |  |  | $ | 1,567,886 |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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