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Capital Stock - ATM Agreements (Details) - 2018 ATM Agreement $ in Millions | Dec. 18, 2018 USD ($) shares
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Sale of stock |
Maximum amount of shares to be issued | $ | $ 30.0
Sales commission paid per transaction (as a percent) | 3.00%
Common Stock |
Sale of stock |
Sale of shares (in shares) | shares | 0

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