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

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Amount of cost to be recognized for option under share-based payment arrangement.

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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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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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Stock Plans (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
Stock Plans (Narrative) (Details) - USD ($) $ in Thousands	Mar. 01, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	May 15, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under the plans (in shares)		9,916,334
Shares available for grant under the plan (in shares)		10,130,566
2021 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under the plans (in shares)		1,151,334
2024 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for grant under the plans (in shares)					8,765,000
PSUs 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance metric percent	126.00%
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Remaining unrecognized compensation cost associated with unvested restricted stock awards		$ 33,000
Weighted average period over which unvested restricted stock awards unrecognized compensation cost is expected to be recognized (in years)		2 years
Cash compensation		$ 34,000	$ 38,000	$ 34,000
Non-Employee Directors’ Compensation Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		1,000	1,000
Cash compensation		250
Unrecognized compensation cost		$ 150
Performance Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Measurement period		3 years
Conversion of stock, ratio		1
Percent of recognized expense from performance metrics		0.33%
Compensation expense		$ 32,000	$ 69,000	$ 47,000
Performance Stock [Member] \| PSUs 2024 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance metric percent		33.30%
Performance Stock [Member] \| PSUs 2022 And 2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance metric percent		33.30%
Minimum [Member] \| Performance Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout range, percent of target units		0.00%
Maximum [Member] \| Performance Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout range, percent of target units		200.00%