Special charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Jun. 30, 2014
Special charges
Wrote-off value of the VAT asset	$ 2.5
Write down value of the paint facility	$ 2.2

Represents the amount of paint facility wrote down.

No definition available.

Name:	skyw_WriteDownValueOfFacilityAcquired
Namespace Prefix:	skyw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration