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Earnings Per Common Share and Stockholders' Equity (Stockholders' Equity) (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Jun. 10, 2020 | Nov. 21, 2019 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Class of Stock [Line Items] |  |  |  |  |
Dividends paid on preferred stock |  |  | $ 10,919 | $ 10,919 |
Preferred Stock, Series B |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares issued | 12,000 |  | 12,000 |  | 12,000
Preferred stock, dividend rate, percentage | 6.625% |  |  |  |
Preferred stock, par value per share | $ 1.00 |  | $ 1 |  | $ 1
Preferred stock, liquidation preference, per share | $ 25,000 |  |  |  |
Proceeds from issuance of preferred stock, net | $ 290,300 |  |  |  |
Dividends paid on preferred stock |  |  | $ 5,000 | 5,000 |
Preferred Stock, Series A |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares issued |  | 16,000 | 16,000 |  | 16,000
Preferred stock, dividend rate, percentage |  | 5.95% |  |  |
Preferred stock, par value per share |  | $ 1.00 | $ 1 |  | $ 1
Preferred stock, liquidation preference, per share |  | $ 25,000 |  |  |
Proceeds from issuance of preferred stock, net |  | $ 388,900 |  |  |
Dividends paid on preferred stock |  |  | $ 5,900 | $ 5,900 |

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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 http://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 http://asc.fasb.org/extlink&oid=123467817&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 http://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 http://asc.fasb.org/extlink&oid=123467817&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 http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + 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=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 + Details
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