The table below summarizes special charges recorded during the three and six months ended June 30, 2021, and 2020.


	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2021		2020		2021		2020
Operating	$	854	$	81,169	$	2,592	$	247,267
Non-operating	—		19,830		—		26,632
Total special charges	$	854	$	100,999	$	2,592	$	273,899

Additional detail for the $2.6 million of total special charges for the six months ended June 30, 2021 appears below:

•$2.1 million resulting from the accelerated retirements of four airframes and six engines

•$0.5 million impairment loss on a building in Chesterfield, Missouri associated with the Allegiant Nonstop family entertainment line of business.

Additional detail for the $273.9 million of total special charges (operating and non-operating) for the six months ended June 30, 2020 appears below:

•$168.4 million in impairment charges primarily in our non-airline subsidiaries

•$58.6 million resulting from the accelerated retirement of seven airframes and five engines, loss on sale leaseback transaction of four aircraft, and write-offs of other aircraft related assets

•$19.7 million for additional salary and benefits expense in relation to the elimination of positions as well as other non-recurring compensation expense associated with the acceleration of certain existing stock awards

•$19.8 million accrual on termination of the loan agreement with Sixth Street Partners (formerly TSSP) intended to finance the development of Sunseeker Resorts Charlotte Harbor, which was paid in the second half of 2020

•$5.0 million related to suspension of construction at Sunseeker

•$2.4 million write-down on various non-aircraft assets and other various expenses