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Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands | Total | Preferred Stock | Preferred Stock Including Additional Paid in Capital | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | --- | --- | ---
Balance, Preferred shares outstanding at Dec. 31, 2017 |  | 5,888,680 |  |  |  |  |
Balance, Common shares outstanding at Dec. 31, 2017 |  |  |  | 18,610,516 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock issuance, shares |  | 65,914 |  | 2,276,549 |  |  |
Restricted stock granted, net of amortization |  |  |  | 71,053 |  |  |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation |  |  |  | (19,045) |  |  |
Balance, Preferred shares outstanding at Dec. 31, 2018 |  | 5,954,594 |  |  |  |  |
Balance, Common shares outstanding at Dec. 31, 2018 |  |  |  | 20,939,073 |  |  |
Balance at Dec. 31, 2017 | $ 557,058 |  | $ 141,294 | $ 186 | $ 776,245 | $ (8,697) | $ (351,970)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock issuance, value | 43,457 |  | 1,599 | 22 | 41,836 |  |
Restricted stock granted, net of amortization | 1,230 |  |  | 1 | 1,229 |  |
Adjustments for tax withholding on share-based compensation | (364) |  |  | 0 | (364) |  |
Stock issuance costs | (95) |  | (10) |  | (85) |  |
Net income (loss) | 7,023 |  |  |  |  |  | (7,023)
Dividends on preferred stock | (11,801) |  |  |  |  |  | (11,801)
Dividends on common stock | (42,273) |  |  |  |  |  | (42,273)
Other Comprehensive Income (Loss), Net of Tax | (27,082) |  |  |  |  | (27,082) |
Balance at Dec. 31, 2018 | $ 527,153 |  | 142,883 | $ 209 | 818,861 | (35,779) | (399,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock issuance, shares |  | 833,736 |  | 3,664,418 |  |  |
Restricted stock granted, net of amortization |  |  |  | 68,004 |  |  |
Stock Repurchased During Period, Shares |  |  |  | (1,709,271) |  |  |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation |  |  |  | (16,231) |  |  |
Balance, Preferred shares outstanding at Dec. 31, 2019 | 6,788,330 | 6,788,330 |  |  |  |  |
Balance, Common shares outstanding at Dec. 31, 2019 | 22,945,993 |  |  | 22,945,993 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock issuance, value | $ 83,812 |  | 19,924 | $ 36 | 63,852 |  |
Restricted stock granted, net of amortization | 1,206 |  |  | 1 | 1,205 |  |
Stock Repurchased During Period, Value | (25,034) |  |  | 17 | (25,017) |  |
Adjustments for tax withholding on share-based compensation | (296) |  |  | 0 | (296) |  |
Stock issuance costs | (258) |  |  |  | (258) |  |
Net income (loss) | (152,668) |  |  |  |  |  | 152,668
Dividends on preferred stock | (12,967) |  |  |  |  |  | (12,967)
Dividends on common stock | (47,545) |  |  |  |  |  | (47,545)
Other Comprehensive Income (Loss), Net of Tax | 209,585 |  |  |  |  | 209,585 |
Balance at Dec. 31, 2019 | $ 582,988 |  | 162,807 | $ 229 | 858,347 | 173,806 | (612,201)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stock issuance, shares |  | 4,460,000 |  | 558,583 |  |  |
Stock Redeemed or Called During Period, Shares |  | 4,000,000 |  |  |  |  |
Restricted stock granted, net of amortization |  |  |  | 239,661 |  |  |
Stock Repurchased During Period, Shares |  |  |  | (32,925) |  |  |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation |  |  |  | (13,342) |  |  |
Balance, Preferred shares outstanding at Dec. 31, 2020 | 7,248,330 | 7,248,330 |  |  |  |  |
Balance, Common shares outstanding at Dec. 31, 2020 | 23,697,970 |  |  | 23,697,970 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | $ 548 |  |  |  |  |  | 548
Stock issuance, value | 117,818 |  | 107,843 | $ 6 | 9,969 |  |
Stock Redeemed or Called During Period, Value | 100,000 |  | 96,086 |  |  |  | 3,914
Restricted stock granted, net of amortization | 1,823 |  |  | 2 | 1,821 |  |
Stock Repurchased During Period, Value | (372) |  |  | 0 | (372) |  |
Adjustments for tax withholding on share-based compensation | (245) |  |  | 0 | (245) |  |
Stock issuance costs | (25) |  |  |  | (25) |  |
Net income (loss) | 177,530 |  |  |  |  |  | (177,530)
Dividends on preferred stock | (13,599) |  |  |  |  |  | (13,599)
Dividends on common stock | (38,372) |  |  |  |  |  | (38,372)
Other Comprehensive Income (Loss), Net of Tax | (93,545) |  |  |  |  | (93,545) |
Balance at Dec. 31, 2020 | $ 633,453 |  | $ 174,564 | $ 237 | $ 869,495 | $ 80,261 | $ (491,104)

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