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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands | Total | Common Stock Class A Common Stock | Common Stock Class B Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | ---
Balance, beginning of period at Dec. 31, 2021 | $ 352,116 | $ 5,616 | $ 1,567 | $ 16,331 | $ 336,778 | $ (8,176)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 1,123 | 145 |  | 978 |  |
Conversion of Class B to Class A shares | 0 | 1 | (1) |  |  |
Net income (loss) | 12,582 |  |  |  | 12,582 |
Cash dividends on Class A and Class B common stock | (1,445) |  |  |  | (1,445) |
Reclassification adjustment to net income, net of tax | 118 |  |  |  |  | 118
Balance, end of period at Mar. 31, 2022 | 364,494 | 5,762 | 1,566 | 17,309 | 347,915 | (8,058)
Balance, beginning of period at Dec. 31, 2021 | 352,116 | 5,616 | 1,567 | 16,331 | 336,778 | (8,176)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | 60,376 |  |  |  |  |
Balance, end of period at Sep. 30, 2022 | 415,421 | 5,776 | 1,566 | 23,235 | 392,666 | (7,822)
Balance, beginning of period at Mar. 31, 2022 | 364,494 | 5,762 | 1,566 | 17,309 | 347,915 | (8,058)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 2,332 | 7 |  | 2,325 |  |
Net income (loss) | 37,180 |  |  |  | 37,180 |
Cash dividends on Class A and Class B common stock | (1,521) |  |  |  | (1,521) |
Reclassification adjustment to net income, net of tax | 118 |  |  |  |  | 118
Balance, end of period at Jun. 30, 2022 | 402,603 | 5,769 | 1,566 | 19,634 | 383,574 | (7,940)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 3,608 | 7 |  | 3,601 |  |
Net income (loss) | 10,614 |  |  |  | 10,614 |
Cash dividends on Class A and Class B common stock | (1,522) |  |  |  | (1,522) |
Reclassification adjustment to net income, net of tax | 118 |  |  |  |  | 118
Balance, end of period at Sep. 30, 2022 | 415,421 | 5,776 | 1,566 | 23,235 | 392,666 | (7,822)
Balance, beginning of period at Dec. 31, 2022 | 426,966 | 5,783 | 1,566 | 23,706 | 404,924 | (9,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 564 | 161 |  | 403 |  |
Net income (loss) | 5,692 |  |  |  | 5,692 |
Cash dividends on Class A and Class B common stock | (1,557) |  |  |  | (1,557) |
Reclassification adjustment to net income, net of tax | 21 |  |  |  |  | 21
Balance, end of period at Mar. 31, 2023 | 431,686 | 5,944 | 1,566 | 24,109 | 409,059 | (8,992)
Balance, beginning of period at Dec. 31, 2022 | 426,966 | 5,783 | 1,566 | 23,706 | 404,924 | (9,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income (loss) | 4,380 |  |  |  |  |
Balance, end of period at Sep. 30, 2023 | 428,445 | 5,940 | 1,566 | 25,415 | 404,478 | (8,954)
Balance, beginning of period at Mar. 31, 2023 | 431,686 | 5,944 | 1,566 | 24,109 | 409,059 | (8,992)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 807 | 10 |  | 797 |  |
Net income (loss) | 2,520 |  |  |  | 2,520 |
Cash dividends on Class A and Class B common stock | (1,633) |  |  |  | (1,633) |
Reclassification adjustment to net income, net of tax | 18 |  |  |  |  | 18
Balance, end of period at Jun. 30, 2023 | 433,398 | 5,954 | 1,566 | 24,906 | 409,946 | (8,974)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Stock-based compensation | 1,319 | 10 |  | 1,309 |  |
Purchase of treasury shares | (824) | (24) |  | (800) |  |
Net income (loss) | (3,832) |  |  |  | (3,832) |
Cash dividends on Class A and Class B common stock | (1,636) |  |  |  | (1,636) |
Reclassification adjustment to net income, net of tax | 20 |  |  |  |  | 20
Balance, end of period at Sep. 30, 2023 | $ 428,445 | $ 5,940 | $ 1,566 | $ 25,415 | $ 404,478 | $ (8,954)

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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481549/505-30-45-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration