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Acquisition and Disposition of Real Estate - Allocation of Purchase Price Paid for Completed Acquisitions (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 23, 2019 | Dec. 31, 2020 | Dec. 22, 2019
2020 Acquisitions |  |  |  |
Real Estate [Line Items] |  |  |  |
Asset acquisition, additions |  |  | $ 424,634 |
Liabilities assumed |  |  |  |
Below-market lease intangible liabilities |  |  | (14,157) |
Accounts payable, accrued expense and other liabilities |  |  | (1,893) |
Purchase price (including acquisition costs) |  |  | 408,584 |
2020 Acquisitions | Land |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 124,998 |
2020 Acquisitions | Buildings |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 205,157 |
2020 Acquisitions | Site improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 27,571 |
2020 Acquisitions | Tenant improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 7,066 |
2020 Acquisitions | Construction-in-progress assets |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 270 |
2020 Acquisitions | Fuel equipment |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  |  | 156 |
2020 Acquisitions | In-place leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired |  |  | 53,743 |
2020 Acquisitions | Above-market leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired |  |  | $ 5,673 |
2019 Acquisitions |  |  |  |
Real Estate [Line Items] |  |  |  |
Asset acquisition, additions | $ 1,145 |  |  | $ 1,232
Liabilities assumed |  |  |  |
Below-market lease intangible liabilities | (33) |  |  | 0
Accounts payable, accrued expense and other liabilities | 0 |  |  | 0
Purchase price (including acquisition costs) | 1,112 |  |  | 1,232
2019 Acquisitions | Land |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 252 |  |  | 80
2019 Acquisitions | Buildings |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 745 |  |  | 728
2019 Acquisitions | Site improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 50 |  |  | 192
2019 Acquisitions | Tenant improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 0 |  |  | 78
2019 Acquisitions | Construction-in-progress assets |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 0 |  |  | 0
2019 Acquisitions | Fuel equipment |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions | 0 |  |  | 0
2019 Acquisitions | In-place leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired | 98 |  |  | 154
2019 Acquisitions | Above-market leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired | $ 0 |  |  | $ 0
Predecessor Asset Acquisition |  |  |  |
Real Estate [Line Items] |  |  |  |
Asset acquisition, additions |  | $ 262,785 |  |
Liabilities assumed |  |  |  |
Below-market lease intangible liabilities |  | (4,649) |  |
Accounts payable, accrued expense and other liabilities |  | (1,851) |  |
Purchase price (including acquisition costs) |  | 256,285 |  |
Predecessor Asset Acquisition | Land |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 83,744 |  |
Predecessor Asset Acquisition | Buildings |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 125,140 |  |
Predecessor Asset Acquisition | Site improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 8,152 |  |
Predecessor Asset Acquisition | Tenant improvements |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 5,969 |  |
Predecessor Asset Acquisition | Construction-in-progress assets |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 8,343 |  |
Predecessor Asset Acquisition | Fuel equipment |  |  |  |
Real Estate [Line Items] |  |  |  |
Property, plant and equipment, additions |  | 3,486 |  |
Predecessor Asset Acquisition | In-place leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired |  | 20,665 |  |
Predecessor Asset Acquisition | Above-market leases |  |  |  |
Real Estate [Line Items] |  |  |  |
Finite-lived intangible assets acquired |  | $ 7,286 |  |

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