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v3.22.1

Stockholders' Equity and Equity Compensation Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2014
Stockholders Equity And Equity Compensation Plans [Line Items] |  |  |
Remaining number of shares available for repurchase | 3,300,000 |  |
Repurchase of common stock for employee tax withholdings, shares | 123,000 | 110,000 |
Repurchase of common stock for tax withholdings, value | $ 7,800 | $ 5,200 |
Cash dividends declared per common share | $ 0.265 | $ 0.25 |
Cash dividend | $ 8,600 | $ 8,200 |
Stock warrants term |  |  | 10 years
Stock warrants, exercise price |  |  | $ 26.68
Performance based awards granted to executive management and certain key employees shares | 120,000,000,000 |  |
Vesting maturity date | first quarter of 2024 |  |
Vesting period | 2 years |  |
Stock-based compensation expense | $ 5,581 | $ 5,395 |
Market-based Awards |  |  |
Stockholders Equity And Equity Compensation Plans [Line Items] |  |  |
Awards vested | 40,000 |  |
Restricted common stock |  |  |
Stockholders Equity And Equity Compensation Plans [Line Items] |  |  |
Vesting period | 3 years |  |
Awards vested | 339,000 |  |
Comcast |  |  |
Stockholders Equity And Equity Compensation Plans [Line Items] |  |  |
Issuance of stock warrants |  |  | 2,900,000
Stock warrants issued | 1,000,000.0 |  |
Stock warrants vested | 0 |  |
SEC Rule 10b5-1 Plan |  |  |
Stockholders Equity And Equity Compensation Plans [Line Items] |  |  |
Repurchase of common stock, shares | 266,000 | 142,000 |
Total amount paid | $ 16,000 | $ 6,500 |
Weighted-average price per share | $ 60.13 | $ 45.94 |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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