Defined Contribution Plan, Employee Minimum Age to Participate

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Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant, Excluding Deferred Shares

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Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate, Bonus

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

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Amount of cost for defined contribution plan.

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

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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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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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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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of shares issued under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Purchase price of common stock expressed as a percentage of its fair value.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Compensation Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	May 01, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	700,473	700,473			2,000,000
Share-based compensation expense		$ 6,017	$ 4,178	$ 4,032
Tax benefit from compensation expense		$ (100)	200	500
Award vesting period		3 years
Total unrecognized compensation cost for nonvested stock units	$ 8,200	$ 8,200
Employee minimum age to participate in plan		21 years
Company contributions, amount charged to expense		$ 4,900	$ 3,800	3,200
Preferred stock, shares authorized	5,000,000	5,000,000	5,000,000
Preferred stock, par value	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares outstanding	75,000	75,000	0
Expected years to recognize unearned compensation		2 years
Proceeds from issuance of preferred stock, net	$ 72,000	$ 71,988	$ 0	0
Depositary Shares, Issued And Sold	3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value		900	2,800	4,600
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 396	0	0
Contractual term		10 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 3,109	2,613	1,969
Total unrecognized compensation cost for nonvested stock units	$ 4,622	$ 4,622	$ 3,899	$ 3,417
Number of shares issued		100,220
Expected years to recognize unearned compensation		1 year 10 months 24 days	1 year 10 months 24 days	1 year 10 months 24 days
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 1,777	$ 1,097	$ 1,699
Number of shares issued		84,628
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent		85.00%
Share-based compensation expense		$ 735	$ 468	$ 364
Number of shares authorized	750,000	750,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period		64,826	58,195	41,116
Minimum \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		3 years
Minimum \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		2 years
Maximum \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		5 years
Maximum \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period		5 years
Stock Plan for Non-Management Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	73,618	73,618	86,616
Number of shares authorized	200,000	200,000
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant, Excluding Deferred Shares	59,760	59,760
Share Based Compensation Arrangement by Shar Based Payment Award Number of Shares Available for Grant, Deferred Shares	13,858	13,858
Deferred Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	25.00%	25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate, Bonus		100.00%
Deferred Compensation Liability, Current and Noncurrent	$ 5,000	$ 5,000