XML 68 R56.htm IDEA: XBRL DOCUMENT
v3.21.2

Sale-Leasebacks of Real Estate (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 USD ($) warehouse facility | Dec. 31, 2020 USD ($)
Sale Leaseback Transaction [Line Items] |  |
Total sale-leaseback financing obligations | $ 182,979 | $ 185,060
1 warehouse – 2010 |  |
Sale Leaseback Transaction [Line Items] |  |
Number of warehouses | warehouse | 1 |
Interest Rate as of September 30, 2021 | 10.34% |
Total sale-leaseback financing obligations | $ 18,305 | 18,669
11 warehouses – 2007 |  |
Sale Leaseback Transaction [Line Items] |  |
Number of warehouses | warehouse | 11 |
Total sale-leaseback financing obligations | $ 90,437 | 93,316
11 warehouses – 2007 | Minimum |  |
Sale Leaseback Transaction [Line Items] |  |
Interest Rate as of September 30, 2021 | 7.00% |
11 warehouses – 2007 | Maximum |  |
Sale Leaseback Transaction [Line Items] |  |
Interest Rate as of September 30, 2021 | 19.59% |
3 facilities – 2007 (Agro) |  |
Sale Leaseback Transaction [Line Items] |  |
Number of warehouses | facility | 3 |
Interest Rate as of September 30, 2021 | 10.00% |
Total sale-leaseback financing obligations | $ 68,298 | 67,229
1 facility – 2013 (Agro) |  |
Sale Leaseback Transaction [Line Items] |  |
Number of warehouses | facility | 1 |
Interest Rate as of September 30, 2021 | 10.00% |
Total sale-leaseback financing obligations | $ 5,939 | $ 5,846

X
- Definition Sale Leaseback Transaction, Effective Interest Rate + References No definition available. + Details
Name: | art_SaleLeasebackTransactionEffectiveInterestRate
Namespace Prefix: | art_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale Leaseback Transaction, Number Of Units + References No definition available. + Details
Name: | art_SaleLeasebackTransactionNumberOfUnits
Namespace Prefix: | art_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SaleLeasebackTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=123386837&loc=d3e51840-112757 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 40 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123417830&loc=SL77919786-209982 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=123386837&loc=d3e51843-112757 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=123386837&loc=d3e51831-112757 + Details
Name: | us-gaap_SaleLeasebackTransactionNetBookValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=art_OneWarehouse2010Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=art_ElevenWarehouses2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=art_ThreeFacilities2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=art_OneFacility2013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |