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Shareholders' Equity (Schedule of Issuance and Repurchases of Common Shares) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Class of Stock [Line Items] |  |  |
Issuance price per share (in USD per share) | $ 25.00 | $ 25.00 | $ 25.00
Preferred shares per depositary share (in shares) | 0.001 | 0.001 | 0.001
Gross Proceeds | $ 242,832 | $ 1,147,455 | $ 1,208,206
Allocation of Income to Preferred Shares Holders in Connection with Redemption | $ 0 | $ 28,914 | $ 48,265
Series S Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Shares issued (in shares) | 10,000 |  |
Gross Proceeds | $ 250,000 |  |
Issuance Costs | $ 7,168 |  |
P, Q and R |  |  |
Class of Stock [Line Items] |  |  |
Shares issued (in shares) |  | 47,300 |
Gross Proceeds |  | $ 1,182,500 |
Issuance Costs |  | 35,045 |
L, M, N and O |  |  |
Class of Stock [Line Items] |  |  |
Shares issued (in shares) |  |  | 49,900
Gross Proceeds |  |  | $ 1,247,500
Issuance Costs |  |  | 39,294
C, D and E |  |  |
Class of Stock [Line Items] |  |  |
Aggregate Redemption Amount |  | 875,000 |
Allocation of Income to Preferred Shares Holders in Connection with Redemption |  | $ 28,914 |
V, W, X and B |  |  |
Class of Stock [Line Items] |  |  |
Aggregate Redemption Amount |  |  | 1,520,000
Allocation of Income to Preferred Shares Holders in Connection with Redemption |  |  | $ 48,265

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