Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Changes in Gross Carrying Amounts of Goodwill

The changes in gross carrying amounts of goodwill are as follows (in thousands):

	Goodwill
December 31, 2018	$	12,105
Goodwill acquired		—
December 31, 2019		12,105
Goodwill acquired		—
December 31, 2020	$	12,105

Summary of Gross Amounts and Accumulated Amortization of Identifiable Intangible Assets

The gross amounts and accumulated amortization of identifiable intangible assets are as follows (in thousands):

	December 31, 2020				December 31, 2019
	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Amortizable intangible assets:
Customer relationships (useful life of 6-15 years)	$	19,000	$	11,692	$	19,000	$	10,629
Trademarks (useful life of 15 years)		1,500		592		1,500		492
Total	$	20,500	$	12,284	$	20,500	$	11,121

Summary of Estimated Amortization Expense for Next Five Years

Estimated amortization expense for the next five years is as follows (in thousands):

	Amount
2021	$	1,163
2022		1,008
2023		853
2024		853
2025		853