Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2021

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, 2021 and 2020 were as follows:

	North America		Industrial Specialty Group		Total
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
Foreign exchange translation	32		—		32
Balance as of December 31, 2021	$	128,246	$	14,036	$	142,282

Intangible Assets and Accumulated Amortization Balances

ntangible assets and accumulated amortization balances as of December 31, 2021 and 2020 were as follows:

	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Customer relationships	$	154,767	$	(126,626)	$	28,141
Other	44,955		(12,721)		32,234
Balance as of December 31, 2021	$	199,722	$	(139,347)	$	60,375
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

Estimated Amortization Expense

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

Year	Expense
2022	$	7,320
2023	7,315
2024	7,052
2025	6,609
2026	4,831