Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The following table summarizes the carrying amount of goodwill associated with the Company's segments for the years ended December 31, 2021 and 2020.

(in thousands)	GCR		ODR		Total
Goodwill as of January 1, 2020	$	—	$	6,129	$	6,129
Goodwill as of December 31, 2020	—		6,129		6,129
Goodwill associated with the Jake Marshall Transaction	—		5,241		5,241
Goodwill as of December 31, 2021	$	—	$	11,370	$	11,370

Schedule of Definite-lived and Indefinite-lived Intangible Assets

Definite-lived and indefinite-lived intangible assets consist of the following:

(in thousands)	Gross carrying amount		Accumulated amortization		Net intangible assets, excluding goodwill
December 31, 2021
Amortized intangible assets:
Customer relationships – GCR – Jake Marshall	$	570	$	(6)	$	564
Customer relationships – ODR – Jake Marshall	3,050		(35)		3,015
Customer relationships – ODR – Limbach	4,710		(3,475)		1,235
Favorable leasehold interests(1) – Limbach	190		(82)		108
Backlog – GCR – Jake Marshall	260		(14)		246
Backlog – ODR – Jake Marshall	680		(36)		644
Trade name – Jake Marshall	1,150		(15)		1,135
Total amortized intangible assets	10,610		(3,663)		6,947
Unamortized intangible assets:
Trade name – Limbach(2)	9,960		—		9,960
Total unamortized intangible assets	9,960		—		9,960
Total amortized and unamortized assets, excluding goodwill	$	20,570	$	(3,663)	$	16,907

                                                                                                        

(1)    During the first quarter of 2021, the Company reduced the gross carrying amount and accumulated amortization associated with its favorable leasehold interests intangible asset by $0.3 million due to the lease termination of its Western Pennsylvania office associated with the intangible asset.

(2)    The Company has determined that its trade name has an indefinite useful life. The Limbach trade name has been in existence since the Company’s founding in 1901 and therefore is an established brand within the industry.

(in thousands)	Gross carrying amount		Accumulated amortization		Net intangible assets, excluding goodwill
December 31, 2020(1)
Amortized intangible assets:
Customer relationships – ODR – Limbach	$	4,710	$	(3,112)	$	1,598
Favorable leasehold interests – Limbach	530		(407)		123
Total amortized intangible assets	5,240		(3,519)		1,721
Unamortized intangible assets:
Trade name – Limbach	9,960		—		9,960
Total unamortized intangible assets	9,960		—		9,960
Total amortized and unamortized assets, excluding goodwill	$	15,200	$	(3,519)	$	11,681

(1) The Backlog - GCR - Limbach intangible asset previously shown at December 31, 2020 has been fully amortized. Accordingly, its gross carrying amount of $4.8 million and corresponding accumulated amortization of $4.8 million have been removed from the table.

Schedule of Estimated Remaining Useful Lives of Definite-lived Intangible Assets

The estimated remaining useful lives of definite-lived intangible assets are as follows:

Intangible Asset	Amortization Method	Estimated Remaining Useful Life (Years)
Customer relationships – GCR – Jake Marshall	Straight line	7.0
Customer Relationships – ODR – Limbach	Pattern of economic benefit	9.0
Customer Relationships – ODR – Jake Marshall	Straight line	7.5
Favorable Leasehold Interests – Limbach	Straight line	7.2
Backlog – GCR – Jake Marshall	Straight line	1.5
Backlog – ODR – Jake Marshall	Straight line	1.5
Trade name – Jake Marshall	Straight line	6.1

Schedule of Estimated Amortization Expense

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

(in thousands)	Estimated Amortization Expense
2022	$	1,567
2023	1,211
2024	867
2025	830
2026	800
2027 and thereafter	1,672
Total	$	6,947