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Equity and Dividends (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 17, 2023 | Nov. 06, 2022 | Aug. 05, 2022 | May 06, 2022 | Feb. 16, 2022 | Nov. 05, 2021 | Aug. 06, 2021 | Jun. 03, 2021 | Mar. 12, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Apr. 15, 2022 | Mar. 31, 2020
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase authorized |  |  |  |  |  |  |  |  |  |  |  |  | $ 240,000 |
Stock repurchased during period (in shares) |  |  |  |  |  |  |  |  |  | 2,468,354 |  |  |  |
Average price of shares repurchased (in usd per share) |  |  |  |  |  |  |  |  |  | $ 61.56 |  |  |  |
Remaining number of shares authorized to be repurchased (in shares) |  |  |  |  |  |  |  |  |  | 88,400,000 |  |  |  |
Common stock, par value (in usd per share) |  |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |  |
At-the market shelf registration, equity offering sales agreement, aggregate sales price |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000
Issuance of common stock, net (in shares) |  |  |  |  |  |  |  |  |  |  | 661,951 |  |  |
Common stock issued, price per share (in usd per share) |  |  |  |  |  |  |  |  |  |  | $ 73.62 |  |  |
Proceeds from equity offering, net |  |  |  |  |  |  |  |  |  | $ 0 | $ 47,904 | $ 34,649 |  |
Regular dividends declared per common share (in usd per share) |  | $ 0.90 | $ 0.90 | $ 0.90 | $ 0.90 | $ 0.90 | $ 0.90 | $ 0.90 | $ 1.1025 | $ 3.60 | $ 3.8025 | $ 4.41 |  |
Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase authorized | $ 160,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Regular dividends declared per common share (in usd per share) | $ 0.90 |  |  |  |  |  |  |  |  |  |  |  |  |

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