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v3.23.2

Earnings Per Common Share and Stockholders' Equity (Schedule of Earnings Per Common Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |
Net income available to common stockholders - numerator for earnings per common share | $ 344,444 | $ 752,374 | [1] | $ 177,531 | $ 1,420,920 | [1]
Weighted average common shares outstanding (shares) | 77,766,851 | 92,543,850 | [1] | 80,576,301 | 94,693,048 | [1]
Denominator for earnings per common share - assuming dilution (shares) | 78,927,958 | 93,374,738 | [1] | 81,824,056 | 95,652,085 | [1]
Earnings per common share (dollars per share) | $ 4.43 | $ 8.13 | [1] | $ 2.20 | $ 15.01 | [1]
Earnings per common share - assuming dilution (dollars per share) | $ 4.36 | $ 8.06 | [1] | $ 2.17 | $ 14.86 | [1]
Share-Based Payment Arrangement |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |
Antidilutive securities excluded from computation of diluted earnings per common share, amount (shares) | 0 | 0 |  | 0 | 0 |
Stock options and deferred compensation agreements |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |
Effect of dilutive securities: share-based payment arrangements (shares) | 499,921 | 487,883 |  | 548,520 | 550,073 |
Restricted stock and restricted stock units |  |  |  |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |  |  |  |
Effect of dilutive securities: share-based payment arrangements (shares) | 661,186 | 343,005 |  | 699,235 | 408,964 |
[1] | Certain prior period amounts have been recast. See Note 1 - Significant Accounting Policies for more information.

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