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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2019 | Oct. 18, 2019 | Oct. 10, 2019 | Sep. 30, 2019 | Dec. 31, 2018
Subsequent Event [Line Items] |  |  |  |  |
Shares authorized (in shares) |  |  |  | 600,000,000 |
Common stock, shares authorized (in shares) |  |  |  | 400,000,000 | 400,000,000
Preferred stock, shares authorized (in shares) |  |  |  | 200,000,000 | 200,000,000
Preferred stock, par value (in dollars per share) |  |  |  | $ 0.01 | $ 0.01
Preferred stock, liquidation preference per share (in dollars per share) |  |  |  | 25.00 |
Redemption price (in dollars per share) |  |  |  | $ 25.00 |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Shares authorized (in shares) |  |  | 1,000,000,000 |  |
Common stock, shares authorized (in shares) |  |  | 800,000,000 |  |
Preferred stock, shares authorized (in shares) |  |  | 200,000,000 |  |
Subsequent Event | Series E Preferred Stock |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Preferred stock, cumulative redeemable dividend rate | 7.875% |  |  |  |
Preferred stock, par value (in dollars per share) |  | $ 0.01 |  |  |
Subsequent Event | Underwritten Public Offering | Series E Preferred Stock |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Preferred stock, cumulative redeemable dividend rate | 7.875% |  |  |  |
Preferred stock, liquidation preference per share (in dollars per share) | $ 25.00 |  |  |  |
Redemption price (in dollars per share) | $ 1.96875 |  |  |  |
Shares issued (in shares) | 6,900,000 |  |  |  |
Proceeds from issuance of shares | $ 166.7 |  |  |  |
Subsequent Event | Underwritten Public Offering | Series E Preferred Stock | LIBOR |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Preferred stock, liquidation preference per share (in dollars per share) | $ 25.00 |  |  |  |
Interest rate, basis spread | 6.429% |  |  |  |

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644 + Details
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