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Equity Awards and Instruments - Restricted Stock and Restricted Stock Units Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands					1 Months Ended	9 Months Ended		12 Months Ended
	Jul. 21, 2020	Jul. 13, 2020	Jul. 13, 2020	Jul. 10, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2019
Restricted Stock | 2020 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)					12,454
Performance Based Restricted Stock And Restricted Stock Units (RSUs) | 2020 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				179,188
Grant date fair value (USD per share)				$ 15.48
Vested (in shares)						37,237
Shares withheld for tax withholding obligation (in shares)						998
Share-based compensation tax withholding payment						$ 15
Performance Based Restricted Stock | 2020 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	6,136						493,840
Grant date fair value (USD per share)	$ 15.48
Vested (in shares)							172,714	23,343
Shares withheld for tax withholding obligation (in shares)						8,774	18,763
Share-based compensation tax withholding payment						$ 95	$ 136	$ 170
Shares canceled (in shares)							292,131	60,832
Performance Based Restricted Stock | Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares withheld for tax withholding obligation (in shares)						3,168
Share-based compensation tax withholding payment							$ 25
Shares outstanding (in shares)						31,015			54,770
Performance Based Restricted Stock | Equity Incentive Plan | Colleagues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested (in shares)						26,760	11,348
Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	1,020,472	10,000
Grant date fair value (USD per share)	$ 15.48		$ 15.48	$ 15.48
Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan | July 10, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeited (in shares)						10,742
Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan | July 21, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Forfeited (in shares)						12,500
Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan | July 10, 2020, Grant One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				179,188
Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan | July 10, 2020, Grant Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				994,912
Cash-Settled Restricted Stock Units (RSUs) | 2020 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	46,300			32,238
Grant date fair value (USD per share)	$ 15.48			$ 15.48

X

- Definition

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

+ References

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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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Amount of cash paid to settle liability for award under share-based payment arrangement.

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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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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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