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Stockholders' Equity - Repurchase of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Jun. 23, 2021
Stockholders' Equity
Shares authorized to be repurchased			$ 50,000
Average cost per share of repurchased shares (in dollars per share)	$ 4.68
Total number of shares repurchased, beginning (in shares)		1,017,498
Shares repurchased (in shares)	1,762,038	1,762,038
Total number of shares repurchased, ending (in shares)	2,779,536	2,779,536
Amount of stock repurchased, beginning		$ 18,775
Aggregate cost of shares repurchased	$ 8,244	8,244
Amount of stock repurchased, ending	$ 27,019	$ 27,019

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Represents total cost of shares repurchased divided by the total number of shares repurchased.

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The total number of shares repurchased by under a stock repurchase plan.

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Total amount remaining of stock repurchased.

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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