Common stock exchange ratio.

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- Definition

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

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- Definition

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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- 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).

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- Definition

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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- Definition

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

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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Stock-Based Compensation Plans - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Jan. 20, 2021	Aug. 31, 2018 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options granted	13,454	130,588
Weighted Average Exercise Price, Granted \| $ / shares	$ 13.09	$ 7.77
Common stock exchange ratio			0.90686
Stock-based compensation expense \| $	$ 410,000	$ 298,000
Unrecognized compensation cost related to equity award grants \| $	$ 1,200,000
Unrecognized compensation cost expected remaining vesting period	3 years
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of restricted stock grants		64,666
2018 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options granted	13,454
Weighted Average Exercise Price, Granted \| $ / shares	$ 13.09
Number of restricted stock grants	0
2018 Equity Incentive Plan \| Restricted Stock \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares approved under the plan				133,987
2018 Equity Incentive Plan \| Stock Options \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares approved under the plan				334,970