XML 182 R44.htm IDEA: XBRL DOCUMENT
v3.22.1

Derivative Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Gain (loss) on derivative instruments | $ (38) | $ (92)
Vendetta Warrants [Member] |  |
Gain (loss) on derivative instruments | (46) | 29
Kinross Calls [Member] |  |
Gain (loss) on derivative instruments | $ 8 | $ (121)

X
- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=sir_VendettaWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=sir_KinrossCallsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |