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Stockholders' Equity - Series C (Details) - Series C Preferred Stock $ / shares in Units, $ in Millions |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 02, 2020 USD ($) | Feb. 28, 2020 quarter director $ / shares shares | Jun. 30, 2022 $ / shares shares | Jun. 30, 2021 $ / shares | Dec. 31, 2021 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |
Preferred Stock, dividend rate |  |  | 6.50% |  | 6.50%
Preferred stock, shares issued (in shares) | shares |  |  | 11,000,000 |  | 11,000,000
Preferred stock par value (in dollars per share) |  |  | $ 0.01 |  | $ 0.01
Percentage required for making material changes |  |  | 66.67% |  |
Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred Stock, dividend rate |  | 6.50% | 6.50% | 6.50% |
Shares reclassified to redeemable capital stock (in shares) | shares |  | 12,650,000 |  |  |
Preferred stock, shares issued (in shares) | shares |  | 11,000,000 |  |  |
Preferred stock par value (in dollars per share) |  | $ 0.01 |  |  |
Preferred stock, liquidation preference (in dollars per share) |  | 25.00 | $ 25.00 | $ 25.00 |
Proceeds from issuance of redeemable preferred stock | $ | $ 266.0 |  |  |  |
Preferred stock, redemption price (in dollars per share) |  | $ 25.00 |  |  |
Maximum quarters without dividends to get voting rights, in quarters | quarter |  | 6 |  |  |
Number of additional directors that can be elected by preferred stock holders | director |  | 2 |  |  |
Preferred Stock | LIBOR |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Debt instrument, basis spread on variable rate |  | 5.345% |  |  |

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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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 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 https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 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 https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 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 https://asc.fasb.org/extlink&oid=126973232&loc=d3e21484-112644 + Details
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