Employee Stock Purchase Plan [Abstract]

No definition available.

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- Definition

Share-based compensation arrangement by share-based payment award, percentage of outstanding and available for grant, maximum

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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-Name Accounting Standards Codification
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Amount of tax benefit from exercise of option under share-based payment arrangement.

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- References

No definition available.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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- References

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- References

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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No definition available.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual percentage of outstanding shares available for grant, maximum	5.00%
Cumulative percentage of outstanding shares available for grant in a year, maximum	10.00%
Salary and Wage, Excluding Cost of Good and Service Sold [Abstract]
Compensation expense	$ 8,673	$ 8,568	$ 6,723
Income tax benefit	$ 1,900	$ 1,780	$ 1,293
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Volatility rate	9.40%	9.50%	9.60%
Risk-free interest rate	3.90%	4.60%	4.10%
Expected dividend yield	0.40%	0.40%	0.40%
Expected life of awards (years)	3 years	3 years	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercisable, ending balance	901,632
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	$ 1,916	$ 1,844	$ 1,109
Employee stock option
Salary and Wage, Excluding Cost of Good and Service Sold [Abstract]
Compensation expense	$ 36	$ 93	217
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Vesting period	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance	1,278,798
Exercised	(310,816)
Forfeited	66,350
Outstanding, ending balance	901,632	1,278,798
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercisable, ending balance	901,632
Outstanding, weighted average exercise price, ending balance	$ 9.96	$ 9.56
Exercised, weighted average exercise price	8.81
Forfeited, weighted average exercise price	7.53
Exercisable, weighted average exercise price	$ 9.96
Outstanding, weighted average remaining contractual life	2 years 7 months 6 days
Exercisable, weighted average remaining contractual life (years)	2 years 7 months 6 days
Outstanding, aggregate intrinsic value	$ 14,007
Exercisable, aggregate intrinisic value	$ 14,007
Number outstanding	901,632
Outstanding options, weighted average exercise price	$ 9.96
Number exercisable	901,632
Exercisable options, weighted average exercise price	$ 9.96
Restricted Stock Units (RSUs)
Salary and Wage, Excluding Cost of Good and Service Sold [Abstract]
Compensation expense	$ 6,254	$ 6,402	4,794
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, beginning balance	767,832
Granted	277,419
Forfeited	14,890
Vested	(515,627)
Unvested, ending balance	514,734	767,832
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, beginning balance	$ 18.32
Granted, weighted average award date value	23.79
Forfeited, weighted average award date value	21.40
Vested, weighted average award date value	17.87
Unvested, weighted average award date value, ending balance	$ 21.63	$ 18.32
Weighted average remaining contractual life (years)	1 year 4 months 24 days
Unrecognized compensation cost	$ 5,335
Aggregate intrinsic value, unvested	$ 13,126
Employee PRSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted	266,715
Unvested, ending balance	485,200
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, ending balance	$ 21.65
Weighted average remaining contractual life (years)	1 year 4 months 24 days
Unrecognized compensation cost	$ 5,015
Aggregate intrinsic value, unvested	$ 12,373
Nonemployee Director RSUs
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Granted	10,704
Unvested, ending balance	29,534
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Unvested, weighted average award date value, ending balance	$ 21.36
Weighted average remaining contractual life (years)	1 year 4 months 24 days
Unrecognized compensation cost	$ 320
Aggregate intrinsic value, unvested	$ 753
$8.18 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	$ 8.18
Upper range limit	$ 8.18
Number outstanding	202,450
Weighted average remaining contractual life (years)	6 months
Outstanding options, weighted average exercise price	$ 8.18
Number exercisable	202,450
Exercisable options, weighted average exercise price	$ 8.18
$8.80 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	8.80
Upper range limit	$ 8.80
Number outstanding	141,400
Weighted average remaining contractual life (years)	1 year 6 months
Outstanding options, weighted average exercise price	$ 8.80
Number exercisable	141,400
Exercisable options, weighted average exercise price	$ 8.80
$9.55 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	9.55
Upper range limit	$ 9.55
Number outstanding	154,550
Weighted average remaining contractual life (years)	2 years 6 months
Outstanding options, weighted average exercise price	$ 9.55
Number exercisable	154,550
Exercisable options, weighted average exercise price	$ 9.55
$10.55 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	10.55
Upper range limit	$ 10.55
Number outstanding	25,825
Weighted average remaining contractual life (years)	3 years 2 months 12 days
Outstanding options, weighted average exercise price	$ 10.55
Number exercisable	25,825
Exercisable options, weighted average exercise price	$ 10.55
$10.55 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	10.55
Upper range limit	$ 10.55
Number outstanding	148,198
Weighted average remaining contractual life (years)	3 years 6 months
Outstanding options, weighted average exercise price	$ 10.55
Number exercisable	148,198
Exercisable options, weighted average exercise price	$ 10.55
$12.10 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	12.10
Upper range limit	$ 12.10
Number outstanding	30,004
Weighted average remaining contractual life (years)	4 years 2 months 12 days
Outstanding options, weighted average exercise price	$ 12.10
Number exercisable	30,004
Exercisable options, weighted average exercise price	$ 12.10
$12.10 \| Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Lower range limit	12.10
Upper range limit	$ 12.10
Number outstanding	199,205
Weighted average remaining contractual life (years)	4 years 6 months
Outstanding options, weighted average exercise price	$ 12.10
Number exercisable	199,205
Exercisable options, weighted average exercise price	$ 12.10
The Davey Employee Stock Purchase Plan
Salary and Wage, Excluding Cost of Good and Service Sold [Abstract]
Compensation expense	$ 2,383	$ 2,073	$ 1,712
Employee Stock Purchase Plan [Abstract]
Employee stock purchase plan, service period (in years)	6 months
Employee stock purchase plan, percentage of market price, purchase date	85.00%
Employee stock purchase, discount from market price, purchase date	15.00%