Stock-Based Compensation - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 5,777,000	$ 4,073,000	$ 2,659,000
Options exercisable at year-end (in shares)	0	0
Exercises in period (in shares)	0	2,764
Aggregate intrinsic value of options exercised		$ 27,000
Exercise of stock options	$ 0	19,000	0
Excess tax deficiencies from share-based compensation	$ (69,000)	(89,000)	(132,000)
2018 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation, common stock, shares authorized (in shares)	2,000,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (usd per share)	$ 19.74
Fair value of options vested	$ 220,000
Share-based compensation expense	$ 350,000	$ 330,000	$ 242,000
Granted (in shares)	17,722
Restricted Stock \| 2018 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	17,722	16,028
Granted (usd per share)	$ 19.74	$ 13.72
Vesting period	1 year	1 year
Allocated share based compensation expense	$ 350,000	$ 220,000
Restricted Stock \| 2018 Omnibus Equity Plan and 2009 Equity Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)			23,852
Granted (usd per share)			$ 14.78
Vesting period			1 year
Allocated share based compensation expense			$ 353,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (usd per share)	$ 17.98
Allocated share based compensation expense	$ 5,400,000	$ 3,700,000	$ 2,400,000
Granted (in shares)	316,419
Share-based payment arrangement, accelerated cost	$ 772,000
Unrecognized compensation cost	$ 5,200,000
Unrecognized compensation expense, period of recognition	1 year 1 month 28 days
RSUs \| 2018 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (usd per share)	$ 17.98	$ 17.21
Vesting period	3 years	3 years
Granted (in shares)	316,419	376,966
Average annual compensation cost	$ 1,900,000	$ 2,200,000
RSUs \| 2018 Omnibus Equity Incentive Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	2 years	2 years
RSUs \| 2018 Omnibus Equity Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years	3 years
RSUs \| 2018 Omnibus Equity Plan and 2009 Equity Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (usd per share)			$ 15.34
Vesting period			3 years
Granted (in shares)			176,869
Average annual compensation cost			$ 904,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 0
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (in shares)	0	0

Average annual compensation cost over vesting period.

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Excess Tax Deficiencies (Benefits) From Share-Based Compensation

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

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

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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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.

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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).

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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).

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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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Net number of non-option equity instruments granted to participants.

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Number of shares authorized for issuance under share-based payment arrangement.

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of share options (or share units) exercised during the current period.

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