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Significant Accounting Policies Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Significant Accounting Policies [Abstract] |  |  |
Net Income Loss | $ 133,584 | $ 79,277 | $ 70,806
Weighted Average Number of Shares Outstanding, Basic | 78,941 | 79,573 | 81,388
Basic EPS | $ 1.69 | $ 1.00 | $ 0.87
Dilutive Securities, Effect on Basic Earnings Per Share, Including Options and Restrictive Stock Units | $ 0 | $ 0 | $ 0
Incremental Common Shares Attributable to Share-based Payment Arrangements | 33 | 39 | 56
Net Income (Loss) Available to Common Stockholders, Diluted | $ 133,584 | $ 79,277 | $ 70,806
Diluted | 78,974 | 79,612 | 81,444
Diluted EPS | $ 1.69 | $ 1.00 | $ 0.87

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