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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

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

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Stock-Based Compensation - Restricted Stock Unit Activity (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 01, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Number of Units
Outstanding, Beginning Balance
Outstanding, Ending Balance		775,711	640,950	775,711	640,950
Employees [Member] \| Restricted Stock Units [Member] \| General and Administrative [Member]
Number of Units
Compensation expense		$ 259	$ 381	$ 899	$ 2,350
2014 Equity Incentive Plan [Member] \| Non-employee Directors [Member] \| June 2023 \| Restricted Stock Units [Member]
Number of Units
Awarded	194,172
Outstanding, Ending Balance		194,172		194,172
Weighted Average Grant Date Fair Value
Weighted-average grant date fair value, awarded	$ 3.09
2014 Equity Incentive Plan [Member] \| Non-employee Directors [Member] \| June 2023 \| Restricted Stock Units [Member] \| General and Administrative [Member]
Number of Units
Compensation expense		$ 151		$ 199
2014 Equity Incentive Plan [Member] \| Employees And Non-Employee Members Of Board Of Directors [Member] \| Restricted Stock Units [Member]
Number of Units
Outstanding, Beginning Balance				372,513
Awarded				601,172
Vested and released				(194,389)
Forfeited				(3,585)
Outstanding, Ending Balance		775,711		775,711
Weighted Average Grant Date Fair Value
Weighted-average grant date fair value, outstanding, Beginning Balance				$ 13.20
Weighted-average grant date fair value, awarded				7.81
Weighted-average grant date fair value, vested and released				12.26
Weighted-average grant date fair value, forfeited				10.46
Weighted-average grant date fair value, outstanding, Ending Balance		$ 9.27		$ 9.27