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Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 30, 1998 | Mar. 31, 2023 | Mar. 31, 2022 | Feb. 06, 2023 | Nov. 07, 2022 | Jul. 25, 2022 | May 09, 2022
Class of Stock [Line Items] |  |  |  |  |  |  |
Preferred stock, shares issued (in shares) | 250,000 | 3,000 | 3,000 |  |  |  |
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 | $ 0.001 |  |  |  |
Preferred stock, shares issued, price per share (in dollars per share) | $ 4.00 |  |  |  |  |  |
Stock issuance costs | $ 112 |  |  |  |  |  |
Convertible preferred stock, shares issued upon conversion (in shares) | 4.05 |  |  |  |  |  |
Preferred stock, liquidation preference (in dollars per share) | $ 4.00 | $ 4 | $ 4 |  |  |  |
Preferred stock, shares outstanding (in shares) |  | 3,000 | 3,000 |  |  |  |
Stock repurchase program, authorized amount |  | $ 110,000 |  |  |  |  |
Share repurchases (in shares) |  | 0 | 0 |  |  |  |
Stock repurchase program, remaining authorized repurchase amount |  | $ 28,700 |  |  |  |  |
Per share dividend (in dollars per share) |  |  |  | $ 0.30 | $ 0.30 | $ 0.30 | $ 0.30
Convertible Preferred Stock |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  | 2,500 | 2,500 |  |  |  |

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