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Equity Transactions and Stock Incentive Plans - Summary of RSU Activity (Details) - Restricted Stock Units (RSUs) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restricted Stock Units Outstanding
Units Outstanding, Beginning of year (in shares)	661,258	232,299	0
Units Outstanding, Granted (in shares)	624,415	564,805	241,542
Units Outstanding, Vested (in shares)	(308,222)	(103,224)	0
Units Outstanding, Cancelled (in shares)	(33,494)	(32,622)	(9,243)
Units Outstanding, End of year (in shares)	943,957	661,258	232,299
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Beginning of year (USD per share)	$ 16.44	$ 29.10
Weighted Average Grant Date Fair Value, Granted (USD per share)	9.65	13.88	$ 29.09
Weighted Average Grant Date Fair Value, Vested (USD per share)	16.06	29.61
Weighted Average Grant Date Fair Value, Cancelled (USD per share)	16.58	20.77	28.72
Weighted Average Grant Date Fair Value, End of year (USD per share)	$ 12.06	$ 16.44	$ 29.10
Total Fair Value of Shares Vested	$ 3,336	$ 1,596	$ 0

X

- Definition

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

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- Definition

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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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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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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