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Financial Instruments and Fair Value Measurements - Schedule of Derivative Financial Instruments (Parenthetical) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) derivative | Dec. 31, 2019 USD ($) | Jul. 31, 2020 USD ($)
Derivatives, Fair Value [Line Items] |  |  |
Fair value, liability derivatives | $ (90,139) | $ (39,061) |
Core Portfolio |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative, notional amount | 572,148 |  |
Interest Rate Swaps |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Derivative, notional amount | $ 50,000 |  | $ 30,400
Interest Rate Swaps | Core Portfolio | February 2020 Swap One Acquisition |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Number of derivative instruments held | derivative | 1 |  |
Fair value, liability derivatives | $ (1,800) |  |
Derivative Effective Date |  | 2022-04 |
Derivative, notional amount | $ 50,000 |  |
Interest Rate Swaps | Core Portfolio | February 2020 Swap Two Acquisition |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Number of derivative instruments held | derivative | 1 |  |
Fair value, liability derivatives | $ (1,300) |  |
Derivative Effective Date | 2023-04 |  |
Derivative, notional amount | $ 50,000 |  |
Interest Rate Swaps | Core Portfolio | November 2020 Swap Three Acquisition |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Number of derivative instruments held | derivative | 1 |  |
Fair value, liability derivatives | $ 0 |  |
Derivative Effective Date | 2021-01 |  |
Derivative, notional amount | $ 0 |  |

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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
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