Inventories - Narrative (Details) $ in Millions	Dec. 31, 2021 USD ($)
Inventory Disclosure [Abstract]
Fair value, inventory step-up from purchase accounting	$ 6.3

Fair Value, Inventory Step-up from Purchase Accounting

No definition available.

Name:	mir_FairValueInventoryStepUpFromPurchaseAccounting
Namespace Prefix:	mir_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant