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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2021 |  | 30,181,348 |  |  |
Beginning balance at Dec. 31, 2021 | $ 1,034,519 | $ 30 | $ 606,392 | $ 428,260 | $ (163)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 73,828 |  |  | 73,828 |
Unrealized gain (loss) on investment, net of tax effect | (511) |  |  |  | (511)
Adjustment to pension benefit plans, net of taxes | 2,151 |  |  |  | 2,151
Share-based compensation | 4,641 |  | 4,791 | (150) |
Issuance of restricted and deferred stock units (in shares) |  | 54,243 |  |  |
Issuance of restricted and deferred stock units | $ (1,354) |  | (1,354) |  |
Employee stock purchase plan (in shares) | 36,585 | 36,585 |  |  |
Employee stock purchase plan | $ 2,091 |  | 2,091 |  |
Common stock issuance, net of costs (in shares) |  | 529,736 |  |  |
Common stock issuance, net of costs | 39,085 | $ 1 | 39,084 |  |
Dividends paid | (43,582) |  |  | (43,582) |
Ending balance (in shares) at Dec. 31, 2022 |  | 30,801,912 |  |  |
Ending balance at Dec. 31, 2022 | 1,110,868 | $ 31 | 651,004 | 458,356 | 1,477
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 84,987 |  |  | 84,987 |
Unrealized gain (loss) on investment, net of tax effect | 530 |  |  |  | 530
Adjustment to pension benefit plans, net of taxes | (216) |  |  |  | (216)
Share-based compensation | 4,592 |  | 4,647 | (55) |
Issuance of restricted and deferred stock units (in shares) |  | 67,164 |  |  |
Issuance of restricted and deferred stock units | $ (2,259) |  | (2,259) |  |
Employee stock purchase plan (in shares) | 34,122 | 34,122 |  |  |
Employee stock purchase plan | $ 2,141 |  | 2,141 |  |
Common stock issuance, net of costs (in shares) |  | 1,119,806 |  |  |
Common stock issuance, net of costs | 80,659 | $ 1 | 80,658 |  |
Dividends paid | $ (47,905) |  |  | (47,905) |
Ending balance (in shares) at Dec. 31, 2023 | 32,023,004 | 32,023,004 |  |  |
Ending balance at Dec. 31, 2023 | $ 1,233,397 | $ 32 | 736,191 | 495,383 | 1,791
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income | 93,967 |  |  | 93,967 |
Unrealized gain (loss) on investment, net of tax effect | (442) |  |  |  | (442)
Adjustment to pension benefit plans, net of taxes | 611 |  |  |  | 611
Share-based compensation | 5,589 |  | 5,623 | (34) |
Issuance of restricted and deferred stock units (in shares) |  | 41,023 |  |  |
Issuance of restricted and deferred stock units | $ (1,212) |  | (1,212) |  |
Employee stock purchase plan (in shares) | 42,853 | 42,853 |  |  |
Employee stock purchase plan | $ 2,188 |  | 2,188 |  |
Common stock issuance, net of costs (in shares) |  | 1,522,289 |  |  |
Common stock issuance, net of costs | 85,008 | $ 2 | 85,006 |  |
Dividends paid | $ (52,132) |  |  | (52,132) |
Ending balance (in shares) at Dec. 31, 2024 | 33,629,169 | 33,629,169 |  |  |
Ending balance at Dec. 31, 2024 | $ 1,366,974 | $ 34 | $ 827,796 | $ 537,184 | $ 1,960

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