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Consolidated Statements of Stockholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Common Stock, Shares, Outstanding | 44,130,901 |  | 44,130,901 |  |  | 45,641,238 |  |
Stockholders' Equity Attributable to Parent | $ 2,854,914 | $ 2,871,185 | $ 2,854,914 | $ 2,871,185 | $ 2,830,909 | $ 2,886,701 | $ 2,965,439 | $ 3,018,449
Held In Rabbi Trust At Cost [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent | $ (3,289) | $ (3,196) | $ (3,289) | $ (3,196) | (3,286) | (3,227) | (3,179) | (3,146)
Retained Earnings |  |  |  |  |  |  |  |
Cash dividends declared per common share (in dollars per share) | $ 0.55 | $ 0.51 | $ 1.10 | $ 1.02 |  |  |  |
Stockholders' Equity Attributable to Parent | $ 1,009,735 | $ 833,857 | $ 1,009,735 | $ 833,857 | 971,338 | 934,442 | 795,651 | 766,716
Deferred Compensation, Share-based Payments [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent | 3,289 | 3,196 | 3,289 | 3,196 | 3,286 | 3,227 | 3,179 | 3,146
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent | (152,935) | (109,464) | (152,935) | (109,464) | (135,945) | (163,084) | (78,202) | 2,183
Common Stock [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent | 440 | 459 | 440 | 459 | 439 | 455 | 472 | 472
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent | $ 1,997,674 | $ 2,146,333 | $ 1,997,674 | $ 2,146,333 | $ 1,995,077 | $ 2,114,888 | $ 2,247,518 | $ 2,249,078
Common Class A [Member] |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding | 44,130,901 | 46,069,761 | 44,130,901 | 46,069,761 | 44,114,827 | 45,641,238 | 47,377,125 | 47,349,778

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