Equity Incentive and Other Plans - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2025
2021 Plan
Number of Shares
Outstanding (in shares)			24
Outstanding (in shares)	24	24	24
Vested and exercisable (in shares)	20		20
Weighted Average Exercise Price
Outstanding (in usd per share)			$ 39.6
Outstanding (in usd per share)	$ 39.6	$ 39.6	39.6
Vested and exercisable (in usd per share)	$ 39.6		$ 39.6
Aggregate Intrinsic Value
Outstanding	$ 0	$ 0	$ 0
Vested and exercisable	$ 0		$ 0
Weighted Average Remaining Contractual Term (in years)
Outstanding	7 years 4 months 20 days	7 years 7 months 17 days
Vested and exercisable	7 years 4 months 20 days
2018 Plan
Number of Shares
Outstanding (in shares)			114,923
Forfeited or expired (in shares)			(485)
Outstanding (in shares)	114,438	114,923	114,438
Vested and exercisable (in shares)	72,908		72,908
Weighted Average Exercise Price
Outstanding (in usd per share)			$ 33.93
Forfeited or expired (in usd per share)			21.92
Outstanding (in usd per share)	$ 33.99	$ 33.93	33.99
Vested and exercisable (in usd per share)	$ 29.85		$ 29.85
Aggregate Intrinsic Value
Outstanding	$ 0	$ 0	$ 0
Vested and exercisable	$ 0		$ 0
Weighted Average Remaining Contractual Term (in years)
Outstanding	3 years 4 months 6 days	3 years 7 months 9 days
Vested and exercisable	4 years 8 months 4 days

Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Intrinsic Value

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Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Weighted Average Remaining Contractual Term

+ References

No definition available.

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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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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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- Definition

For presentations that combine terminations, 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 or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted average price of options that were either forfeited or expired.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Topic 718
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-Paragraph 2
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-Publisher FASB
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
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