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Quarterly report pursuant to Section 13 or 15(d)

Changes in Equity - Changes in Equity (Details)

v3.22.2
Changes in Equity - Changes in Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
May 03, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý $ 727,876 $ 651,711 $ 513,935 $ 485,184 $ 651,711 $ 485,184
Beginning balance, treasury stock (in shares) Ìý Ìý 11,461 Ìý Ìý 11,461 Ìý
Net income Ìý 118,894 $ 97,900 57,046 50,052 $ 216,794 107,098
Share-based compensation, net of forfeitures Ìý 1,811 1,481 Ìý Ìý Ìý Ìý
Conversion of Sub-shares into shares of common stock Ìý Ìý Ìý Ìý 0 Ìý Ìý
Periodic pension costs, net of income taxes Ìý 8 8 29 28 16 57
Repurchases of common stock Ìý (25,534) Ìý (2,504) Ìý Ìý Ìý
Ending balance Ìý $ 645,281 $ 727,876 $ 547,177 $ 513,935 $ 645,281 $ 547,177
Ending balance, treasury stock (in shares) Ìý 28,240 Ìý Ìý Ìý 28,240 Ìý
Dividend paid per common stock (in USD per share) Ìý $ 23.00 $ 3.00 $ 2.75 $ 2.75 $ 26.00 $ 5.50
Other comprehensive income - periodic pension costs Ìý $ 2 $ 2 $ 8 $ 8 $ 4 $ 15
Common Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance (in shares) Ìý 7,745,290 7,744,695 7,756,156 0 7,744,695 0
Beginning balance Ìý $ 78 $ 78 $ 78 $ 0 $ 78 $ 0
Share-based compensation, net of forfeitures (in shares) Ìý 104 595 Ìý Ìý Ìý Ìý
Conversion of sub-shares into shares of common stock (in shares) Ìý Ìý Ìý Ìý 7,756,156 Ìý Ìý
Conversion of Sub-shares into shares of common stock Ìý Ìý Ìý Ìý $ 78 Ìý Ìý
Repurchases of common stock (in shares) Ìý (17,478) Ìý (1,633) Ìý Ìý Ìý
Ending balance (in shares) Ìý 7,727,916 7,745,290 7,754,523 7,756,156 7,727,916 7,754,523
Ending balance Ìý $ 78 $ 78 $ 78 $ 78 $ 78 $ 78
Sub-share Certificates Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance (in shares) Ìý Ìý Ìý 0 7,756,156 Ìý 7,756,156
Conversion of sub-shares into shares of common stock (in shares) Ìý Ìý Ìý Ìý 7,756,156 Ìý Ìý
Ending balance (in shares) Ìý Ìý Ìý 0 0 Ìý 0
Treasury Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý $ (14,617) $ (15,417) $ 0 $ 0 $ (15,417) $ 0
Beginning balance, treasury stock (in shares) Ìý 10,866 11,461 0 0 11,461 0
Share-based compensation, net of forfeitures (in shares) Ìý (104) (595) Ìý Ìý Ìý Ìý
Share-based compensation, net of forfeitures Ìý $ 140 $ 800 Ìý Ìý Ìý Ìý
Repurchases of common stock (in shares) Ìý 17,478 Ìý 1,633 Ìý Ìý Ìý
Repurchases of common stock Ìý $ (25,534) Ìý $ (2,504) Ìý Ìý Ìý
Ending balance Ìý $ (40,011) $ (14,617) $ (2,504) $ 0 $ (40,011) $ (2,504)
Ending balance, treasury stock (in shares) Ìý 28,240 10,866 1,633 0 28,240 1,633
Additional Paid-in Capital Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý $ 1,505 $ 28 Ìý Ìý $ 28 Ìý
Share-based compensation, net of forfeitures Ìý 1,851 1,477 Ìý Ìý Ìý Ìý
Ending balance Ìý 3,356 1,505 Ìý Ìý 3,356 Ìý
Accum. Other Comp. Inc/(Loss) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý (999) (1,007) $ (2,665) $ (2,693) (1,007) $ (2,693)
Periodic pension costs, net of income taxes Ìý 8 8 29 28 Ìý Ìý
Ending balance Ìý (991) (999) (2,636) (2,665) (991) (2,636)
Retained Earnings Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý 741,909 668,029 516,522 0 668,029 0
Net income Ìý 118,894 97,900 57,046 50,052 Ìý Ìý
Share-based compensation, net of forfeitures Ìý (180) (796) Ìý Ìý Ìý Ìý
Conversion of Sub-shares into shares of common stock Ìý Ìý Ìý Ìý 487,799 Ìý Ìý
Ending balance Ìý 682,849 741,909 552,239 516,522 $ 682,849 552,239
Net Proceeds From All Sources Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Beginning balance Ìý Ìý Ìý 0 487,877 Ìý 487,877
Conversion of Sub-shares into shares of common stock Ìý Ìý Ìý Ìý (487,877) Ìý Ìý
Ending balance Ìý Ìý Ìý 0 0 Ìý $ 0
Dividend Paid Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Dividends paid Ìý $ (23,188) (23,224) $ (21,329) (21,329) Ìý Ìý
Dividend paid per common stock (in USD per share) Ìý $ 3.00 Ìý $ 2.75 Ìý Ìý Ìý
Dividend Paid | Retained Earnings Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Dividends paid Ìý $ (23,188) $ (23,224) $ (21,329) $ (21,329) Ìý Ìý
Special Dividend Paid Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Dividends paid Ìý (154,586) Ìý Ìý Ìý Ìý Ìý
Dividend paid per common stock (in USD per share) $ 20.00 Ìý Ìý Ìý Ìý Ìý Ìý
Special Dividend Paid | Retained Earnings Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Increase (Decrease) in Stockholders' Equity [Roll Forward] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Dividends paid Ìý $ (154,586) Ìý Ìý Ìý Ìý Ìý