Intangible Assets — Net

12 Months Ended

Dec. 31, 2021

Intangible Assets, Net (Excluding Goodwill) [Abstract]

INTANGIBLE ASSETS — NET

INTANGIBLE ASSETS - NET

	Weighted Average Life (Years)	December 31,
		2021						2020
		Gross Carrying Amount		Accumulated Amortization				Gross Carrying Amount		Accumulated Amortization
Intangible Assets						Net						Net
Assembled occupancy	0.4	$	68	$	(68)	$	—	$	39	$	(26)	$	13
Facility trade name	30.0	733		(391)		342		733		(366)		367
Customer relationships	18.4	4,582		(2,272)		2,310		4,640		(2,121)		2,519
Total		$	5,383	$	(2,731)	$	2,652	$	5,412	$	(2,513)	$	2,899

During the years ended December 31, 2021, 2020, and 2019, amortization expense was $1,435, $1,813 and $3,660, respectively, of which $1,158, $1,223 and 1,981 was related to the amortization of right-of-use assets, respectively. In addition, the Company identified intangible assets which became fully amortized during the prior year and removed these fully amortized balances from the gross asset and accumulated amortization amounts. The Company did not record any impairment charge to intangible assets during the years ended December 31, 2021, 2020 and 2019.

Estimated amortization expense for each of the years ending December 31 is as follows:

Year	Amount
2022	234
2023	234
2024	234
2025	234
2026	234
Thereafter	1,482
	$	2,652