Stock Repurchase Plan - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Feb. 26, 2019
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and canceled	$ (25,000)	$ (26,570)	$ (100,000)
2019 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchased authorized amount				$ 100,000
Stock repurchased and canceled (in shares)	808,389	615,940
Average price per share	$ 30.91	$ 43.12
Stock repurchased and canceled	$ 25,000	$ 26,600

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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-Name Accounting Standards Codification
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-Publisher FASB
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