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Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Mar. 18, 2021 | Apr. 24, 2019
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Average cost of treasury stock (usd per share) | $ 15.91 | $ 11.59 | $ 15.26 |  |
Treasury stock acquired | $ 53,321 | $ 10,405 | $ 15,815 |  |
April 2019 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 37,200
Repurchased common stock acquired (in shares) |  | 885,535 |  |  |
Average cost of treasury stock (usd per share) |  | $ 11.59 |  |  |
Treasury stock acquired |  | $ 10,300 |  |  |
Common shares remaining for repurchase (in shares) |  | 564,488 |  |  |
March 2021 Stock Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  | $ 54,200 |
Repurchased common stock acquired (in shares) | 3,342,700 |  |  |  |
Average cost of treasury stock (usd per share) | $ 15.91 |  |  |  |
Treasury stock acquired | $ 53,200 |  |  |  |
Maximum value of shares remaining for repurchases | $ 8,300 |  |  |  |

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