Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Intangible assets
Gross Carrying Amount	$ 88,233	$ 94,833
Accumulated Amortization	68,143	71,441
Customer relationships
Intangible assets
Gross Carrying Amount	65,083	74,583
Accumulated Amortization	$ 52,003	57,219
Customer relationships | Minimum
Intangible assets
Useful Life  (in years)	5 years
Customer relationships | Maximum
Intangible assets
Useful Life  (in years)	13 years
Technology and software
Intangible assets
Gross Carrying Amount	$ 16,230	13,330
Accumulated Amortization	$ 9,613	7,975
Technology and software | Minimum
Intangible assets
Useful Life  (in years)	2 years
Technology and software | Maximum
Intangible assets
Useful Life  (in years)	5 years
Trade names
Intangible assets
Useful Life  (in years)	6 years
Gross Carrying Amount	$ 6,000	6,000
Accumulated Amortization	6,000	5,907
Non-competition agreements
Intangible assets
Gross Carrying Amount	920	920
Accumulated Amortization	$ 527	$ 340
Non-competition agreements | Minimum
Intangible assets
Useful Life  (in years)	2 years
Non-competition agreements | Maximum
Intangible assets
Useful Life  (in years)	5 years