Property and Equipment

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

6. PROPERTY AND EQUIPMENT

Property and equipment as of December 31, 2021 and 2020 consists of (in millions):

	Estimated useful life (years)			2021		2020
Buildings	40		$	18.6	$	19.7
Construction in progress		—		1.2		1.9
Transmission, studio and other broadcast equipment	5-15			158.4		170.3
Office and computer equipment	3-7			33.6		33.9
Transportation equipment	5			5.4		6.8
Leasehold improvements and land improvements	Lesser of lease life or useful life			21.2		22.0
				238.4		254.6
Less accumulated depreciation				183.9		191.2
				54.5		63.4
Land				8.0		8.6
			$	62.5	$	72.0

Depreciation expense was $13.5 million, $13.3 million, and $10.6 million for the years ended December 31, 2021, 2020 and 2019, respectively.

As part of the FCC auction for broadcast spectrum that concluded in 2017, the FCC has reassigned some stations to new post-auction channels and will reimburse station owners for the cost of the relocation. The Company has received notification from the FCC that 17 of its stations have been assigned to new channels with an estimated reimbursable cost of approximately $16.0 million. The Company recorded gains on involuntary conversion associated with the repack process of $2.6 million and $5.9 million in 2021 and 2020, respectively, which are presented as other operating gain in the Consolidated Statements of Operations.