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Equity Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Equity [Abstract] |  |
Common shares, issued | 17,250 |
Proceeds from issuance of common shares, net of offering expenses | $ 225,529 | $ 0
Common Stock, Dividends, Per Share, Declared | $ 0.11 | $ 0.20

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