Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2020

Finite-Lived Intangible Assets [Line Items]

Carrying Amount of Goodwill by Reportable Operating Segment

Changes in the carrying amount of goodwill by reporting unit for the years ended December 31, 2020 and 2019 were as follows:

	North America		Industrial Specialty Group		Total
Balance as of December 31, 2018	$	143,681	$	—	$	143,681
Adjustments related to recent acquisitions	(1,689)		—		(1,689)
Foreign exchange translation	195		—		195
Balance as of December 31, 2019	$	142,187	$	—	$	142,187
Change in organizational structure	(14,036)		14,036		—
Foreign exchange translation	63		—		63
Balance as of December 31, 2020	$	128,214	$	14,036	$	142,250

Intangible Assets and Accumulated Amortization Balances

ntangible assets and accumulated amortization balances as of December 31, 2020 and 2019 were as follows:

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	155,409	$	(122,657)	$	32,752
Other	44,826		(9,899)		34,927
Balance as of December 31, 2020	$	200,235	$	(132,556)	$	67,679
Customer relationships	$	156,557	$	(113,871)	$	42,686
Other	49,556		(7,873)		41,683
Balance as of December 31, 2019	$	206,113	$	(121,744)	$	84,369

Estimated Amortization Expense

Estimated amortization expense for the next five years is shown in the table below:

Year	Expense
2021	$	7,320
2022	7,320
2023	7,307
2024	7,048
2025	6,593