Intangible Assets, Goodwill and Other (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

The following is a summary of the Company's intangible assets.

	As of December 31, 2022						As of December 31, 2021
	Gross Carrying Value		Accumulated Amortization		Net Book Value		Gross Carrying Value		Accumulated Amortization		Net Book Value
Site rental contracts and tenant relationships	$	7,850	$	(4,315)	$	3,535	$	7,854	$	(3,872)	$	3,982
Other intangible assets	143		(82)		61		143		(79)		64
Total	$	7,993	$	(4,397)	$	3,596	$	7,997	$	(3,951)	$	4,046

Schedule of Estimated Annual Amortization Expense

The estimated annual amortization expense related to intangible assets for the years ending December 31, 2023 to 2027 is as follows:

	Years Ending December 31,
	2023		2024		2025		2026		2027
Estimated annual amortization	$	446	$	396	$	375	$	370	$	287