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Common and Preferred Stock (Details) | 1 Months Ended | 3 Months Ended | 8 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) $ / shares shares | Sep. 30, 2021 USD ($) $ / shares shares | Jun. 30, 2021 USD ($) shares | Jan. 31, 2021 USD ($) shares | Apr. 30, 2020 USD ($) shares | Dec. 31, 2019 USD ($) shares | Apr. 30, 2019 USD ($) shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) shares | May 31, 2021 shares | Apr. 30, 2021 shares | Feb. 28, 2021 USD ($) | Sep. 30, 2018 shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares | 180,000,000 |  |  |  |  |  |  | 180,000,000 | 90,000,000 | 180,000,000 | 90,000,000 |  | 180,000,000 | 90,000,000 |  |
Net proceeds received |  |  |  |  |  |  |  |  |  | $ 744,847,000 | $ 896,118,000 | $ 472,746,000 |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.0001 |  |  |  |  |  |  | $ 0.0001 | $ 0.0001 | $ 0.0001 | $ 0.0001 |  |  |  |  |
Preferred stock, shares authorized | shares | 4,000,000 |  |  |  |  |  |  | 4,000,000 | 4,000,000 | 4,000,000 | 4,000,000 |  |  |  |  |
Proceeds from Series A preferred stock offering, net |  |  |  |  |  |  |  |  |  | $ 170,308,000 | $ 0 | $ 0 |  |  |  |
Cash dividends declared per depositary share of Series A preferred stock | $ / shares | $ 0.08854 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding | shares | 7,000 |  |  |  |  |  |  | 7,000 | 0 | 7,000 | 0 |  |  |  |  |
Preferred stock, dividend rate, percentage |  | 4.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference, Value | $ 25,000 | $ 25,000 |  |  |  |  |  | $ 25,000 |  | $ 25,000 |  |  |  |  |  |
Redeemable Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share | $ / shares |  | $ 25.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividends declared per depositary share of Series A preferred stock | $ / shares |  | 0.04132 |  |  |  |  |  | $ 0.30695 |  |  |  |  |  |  |  |
Preferred Stock, Redemption Price Per Share | $ / shares |  | 25.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividends to be declared monthly (in dollars per share) | $ / shares |  | 0.08854 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, dividends declared per annum (in dollars per share) | $ / shares |  | $ 1.0625 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares |  |  | 4,600,000 | 3,450,000 | 2,875,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued | shares |  |  |  |  | 2,875,000 |  |  |  |  | 11,179,982 | 14,418,612 | 7,993,519 |  |  |  |
Net proceeds received |  |  |  |  | $ 170,400,000 |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares | 5,750,000 |  |  |  | 6,166,666 |  | 3,162,500 | 5,750,000 |  | 5,750,000 |  |  |  |  |  | 3,500,000
Net proceeds received |  |  |  |  |  |  |  |  | $ 354,600,000 |  |  |  |  |  |  |
At-Market Equity Program [Member] | Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares | shares |  |  |  |  |  |  |  |  |  | 5,172,872 |  |  |  |  |  |
Size | $ 400,000,000.0 |  |  |  |  |  |  | $ 400,000,000.0 |  | $ 400,000,000.0 |  |  |  |  |  |
Net proceeds received |  |  |  |  |  |  |  |  |  | $ 362,900,000 |  |  |  |  |  |
At-Market Equity Program Two [Member] | Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares | shares |  |  |  |  |  |  |  |  |  | 3,334,056 |  |  |  |  |  |
Size | $ 400,000,000.0 |  |  |  |  |  |  | $ 400,000,000.0 |  | $ 400,000,000.0 |  |  |  |  |  |
Net proceeds received |  |  |  |  |  |  |  |  |  | $ 209,500,000 |  |  |  |  |  |
At-Market Equity Program Three [Member] | Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward Contract Indexed to Issuer's Equity, Shares | shares |  |  |  |  |  |  |  |  |  | 2,125,296 |  |  |  |  |  |
Amount available under ATM program |  |  |  |  |  |  |  |  |  | $ 349,700,000 |  |  |  |  |  |
Size |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000 |
Net proceeds received |  |  |  |  |  |  |  |  |  | $ 144,400,000 |  |  |  |  |  |
Over-Allotment Option [Member] | Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued | shares |  | 7,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  | 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Series A preferred stock offering, net |  | $ 170,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Redeemable Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued | shares |  | 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares |  |  | 600,000 | 450,000 | 375,000 |  |  |  |  |  |  |  |  |  |  |
Net proceeds received |  |  | $ 327,000,000.0 | $ 221,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Common Stock [Member] | Forward Sale Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | shares | 750,000 |  |  |  |  |  | 412,500 | 750,000 |  | 750,000 |  |  |  |  |  |
Shares issued | shares |  |  |  |  |  | 3,162,500 | 3,500,000 |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  |  | $ 195,800,000 | $ 186,000,000.0 |  |  | $ 0 |  |  |  |  |  |
Over-Allotment Option [Member] | Common Stock [Member] | Forward Sale Agreement [Member] | Scenario, Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received | $ 374,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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