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Pay vs Performance Disclosure | 12 Months Ended
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Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table |
​ | Pay Versus Performance Table | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Value of Initial Fixed $100 Investment Based on: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year | ​ | ​ | Summary Compensation Table Total for PEO (Mr. Boston)(1) | ​ | ​ | Compensation Actually Paid to PEO (Mr. Boston) | ​ | ​ | Summary Compensation Table Total for PEO (Ms. Popenoe)(1) | ​ | ​ | Compensation Actually Paid to PEO (Ms. Popenoe) | ​ | ​ | Average Summary Compensation Table Total for non-PEO NEOs(1) | ​ | ​ | Average Compensation Actually Paid to non-PEO NEOs(1) | ​ | ​ | Total Share- holder Return(2) | ​ | ​ | Peer Group Total Share- holder Return(2)(3) | ​ | ​ | Net Income (Loss) ($ in thousands) | ​ | ​ | Total Economic Return %(4) | ​
​ | 2025 | ​ | ​ | $7,771,011 | ​ | ​ | $11,275,911 | ​ | ​ | $7,675,275 | ​ | ​ | $10,887,052 | ​ | ​ | $3,717,639 | ​ | ​ | $5,462,941 | ​ | ​ | 142.64 | ​ | ​ | 114.13 | ​ | ​ | $319,065 | ​ | ​ | 21.6% | ​
​ | 2024 | ​ | ​ | $7,199,588 | ​ | ​ | $7,172,854 | ​ | ​ | $6,155,854 | ​ | ​ | $6,123,214 | ​ | ​ | $3,379,248 | ​ | ​ | $3,422,066 | ​ | ​ | 128.99 | ​ | ​ | 79.95 | ​ | ​ | 113,898 | ​ | ​ | 7.4% | ​
​ | 2023 | ​ | ​ | 6,177,239 | ​ | ​ | 5,889,056 | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 3,822,244 | ​ | ​ | 3,733,285 | ​ | ​ | 113.47 | ​ | ​ | 79.78 | ​ | ​ | (6,130) | ​ | ​ | 1.0% | ​
​ | 2022 | ​ | ​ | 4,230,683 | ​ | ​ | 3,702,486 | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 3,084,333 | ​ | ​ | 2,907,635 | ​ | ​ | 101.29 | ​ | ​ | 69.26 | ​ | ​ | 143,161 | ​ | ​ | (9.4)% | ​
​ | 2021 | ​ | ​ | 4,476,138 | ​ | ​ | 4,089,845 | ​ | ​ | N/A | ​ | ​ | N/A | ​ | ​ | 2,665,564 | ​ | ​ | 2,504,410 | ​ | ​ | 119.67 | ​ | ​ | 94.04 | ​ | ​ | 102,261 | ​ | ​ | 2.5% | ​
​ (1) For July 22, 2024-December 31, 2025, Mr. Boston and Ms. Popenoe served as Co-Chief Executive Officers (Co-PEOs). For 2021-July 21, 2024, Mr. Boston served as our Chief Executive Officer and sole PEO. Mr. Colligan was the only NEO who was a non-PEO for the entire year. For 2023, our non-PEO NEOs were Mr. Colligan and Ms. Popenoe. For 2022, our non-PEO NEOs were Stephen J. Benedetti (former Executive Vice President, Chief Financial Officer, and Chief Operating Officer), Mr. Colligan, and Ms. Popenoe. For 2021, our non-PEO NEOs were Mr. Benedetti and Ms. Popenoe. ​ (2) TSR for the Company and the Peer Group assume $100 invested on December 31, 2020. ​ (3) The Peer Group Total Shareholder Return is calculated based on the FTSE NAREIT Mortgage REIT Index. ​ (4) TER percentage is the sum of dividends declared per common share during the year plus the change in book value per common share for the year divided by the beginning book value per common share. While the Company uses numerous financial and non-financial performance measures for the purpose of evaluating performance, the Company has determined that TER is the financial measure that, in the Company’s assessment, represents the most important performance measure (that is not otherwise required to be disclosed in the table) used by the Company to link compensation actually paid to the Company’s NEOs, for the most recently completed fiscal year, to Company performance. TER is a performance measure for our executives’ PSU awards. ​ Compensation actually paid represents the Summary Compensation Table Total adjusted for the following items:
​ | ​ | ​ | ​ | Year 2025 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,122,248) | ​ | ​ | $(3,122,248) | ​ | ​ | $(1,373,580) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 3,606,942 | ​ | ​ | 4,936,687 | ​ | ​ | 2,267,740 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,297,348 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 1,920,864 | ​ | ​ | 1,477,315 | ​ | ​ | 818,863 | ​
​ | (Decrease) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (198,006) | ​ | ​ | (79,977) | ​ | ​ | 32,279 | ​
​ | Total adjustments | ​ | ​ | $3,504,900 | ​ | ​ | $3,211,777 | ​ | ​ | $1,745,302 | ​
​ | ​ | ​ | ​ | Year 2024 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,176,238) | ​ | ​ | $(2,254,100) | ​ | ​ | $(1,280,750) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,928,606 | ​ | ​ | 2,281,149 | ​ | ​ | 1,296,119 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,270,500 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 57,556 | ​ | ​ | 39,468 | ​ | ​ | 27,597 | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (107,158) | ​ | ​ | (99,157) | ​ | ​ | (148) | ​
​ | Total adjustments | ​ | ​ | $(26,734) | ​ | ​ | $(32,640) | ​ | ​ | $42,818 | ​
​ | ​ | ​ | ​ | Year 2023 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(2,931,062) | ​ | ​ | $(1,633,237) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 2,962,858 | ​ | ​ | 1,656,840 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | — | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (303,654) | ​ | ​ | (109,372) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (16,325) | ​ | ​ | (3,190) | ​
​ | Total adjustments | ​ | ​ | $(288,183) | ​ | ​ | $(88,959) | ​
​ | ​ | ​ | ​ | Year 2022 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(1,480,618) | ​ | ​ | $(609,194) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,398,422 | ​ | ​ | 337,235 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | 261,096 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (401,858) | ​ | ​ | (78,797) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (44,143) | ​ | ​ | (87,038) | ​
​ | Total adjustments | ​ | ​ | $(528,197) | ​ | ​ | $(176,698) | ​
​ | ​ | ​ | ​ | Year 2021 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table as well as amounts reported under the “Non-Equity Incentive Plan Compensation” column in the Summary Compensation Table for the portion of such long-term incentive compensation earned for performance during the three-year performance period ended December 31, 2021 that was paid in shares of the Company’s common stock | ​ | ​ | $(1,623,209) | ​ | ​ | $(887,360) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,255,337 | ​ | ​ | 734,894 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (87,125) | ​ | ​ | (36,999) | ​
​ | Increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | 68,704 | ​ | ​ | 28,311 | ​
​ | Total adjustments | ​ | ​ | $(386,293) | ​ | ​ | $(161,154) | ​
Company Selected Measure Name | Total Economic Return |  |  |  |
Named Executive Officers, Footnote | (1) For July 22, 2024-December 31, 2025, Mr. Boston and Ms. Popenoe served as Co-Chief Executive Officers (Co-PEOs). For 2021-July 21, 2024, Mr. Boston served as our Chief Executive Officer and sole PEO. Mr. Colligan was the only NEO who was a non-PEO for the entire year. For 2023, our non-PEO NEOs were Mr. Colligan and Ms. Popenoe. For 2022, our non-PEO NEOs were Stephen J. Benedetti (former Executive Vice President, Chief Financial Officer, and Chief Operating Officer), Mr. Colligan, and Ms. Popenoe. For 2021, our non-PEO NEOs were Mr. Benedetti and Ms. Popenoe. |  |  |  |
Peer Group Issuers, Footnote | (3) The Peer Group Total Shareholder Return is calculated based on the FTSE NAREIT Mortgage REIT Index. |  |  |  |
Adjustment To PEO Compensation, Footnote | Compensation actually paid represents the Summary Compensation Table Total adjusted for the following items:
​ | ​ | ​ | ​ | Year 2025 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,122,248) | ​ | ​ | $(3,122,248) | ​ | ​ | $(1,373,580) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 3,606,942 | ​ | ​ | 4,936,687 | ​ | ​ | 2,267,740 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,297,348 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 1,920,864 | ​ | ​ | 1,477,315 | ​ | ​ | 818,863 | ​
​ | (Decrease) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (198,006) | ​ | ​ | (79,977) | ​ | ​ | 32,279 | ​
​ | Total adjustments | ​ | ​ | $3,504,900 | ​ | ​ | $3,211,777 | ​ | ​ | $1,745,302 | ​
​ | ​ | ​ | ​ | Year 2024 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,176,238) | ​ | ​ | $(2,254,100) | ​ | ​ | $(1,280,750) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,928,606 | ​ | ​ | 2,281,149 | ​ | ​ | 1,296,119 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,270,500 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 57,556 | ​ | ​ | 39,468 | ​ | ​ | 27,597 | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (107,158) | ​ | ​ | (99,157) | ​ | ​ | (148) | ​
​ | Total adjustments | ​ | ​ | $(26,734) | ​ | ​ | $(32,640) | ​ | ​ | $42,818 | ​
​ | ​ | ​ | ​ | Year 2023 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(2,931,062) | ​ | ​ | $(1,633,237) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 2,962,858 | ​ | ​ | 1,656,840 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | — | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (303,654) | ​ | ​ | (109,372) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (16,325) | ​ | ​ | (3,190) | ​
​ | Total adjustments | ​ | ​ | $(288,183) | ​ | ​ | $(88,959) | ​
​ | ​ | ​ | ​ | Year 2022 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(1,480,618) | ​ | ​ | $(609,194) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,398,422 | ​ | ​ | 337,235 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | 261,096 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (401,858) | ​ | ​ | (78,797) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (44,143) | ​ | ​ | (87,038) | ​
​ | Total adjustments | ​ | ​ | $(528,197) | ​ | ​ | $(176,698) | ​
​ | ​ | ​ | ​ | Year 2021 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table as well as amounts reported under the “Non-Equity Incentive Plan Compensation” column in the Summary Compensation Table for the portion of such long-term incentive compensation earned for performance during the three-year performance period ended December 31, 2021 that was paid in shares of the Company’s common stock | ​ | ​ | $(1,623,209) | ​ | ​ | $(887,360) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,255,337 | ​ | ​ | 734,894 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (87,125) | ​ | ​ | (36,999) | ​
​ | Increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | 68,704 | ​ | ​ | 28,311 | ​
​ | Total adjustments | ​ | ​ | $(386,293) | ​ | ​ | $(161,154) | ​
Non-PEO NEO Average Total Compensation Amount | $ 3,717,639 | $ 3,379,248 | $ 3,822,244 | $ 3,084,333 | $ 2,665,564
Non-PEO NEO Average Compensation Actually Paid Amount | $ 5,462,941 | 3,422,066 | 3,733,285 | 2,907,635 | 2,504,410
Adjustment to Non-PEO NEO Compensation Footnote | Compensation actually paid represents the Summary Compensation Table Total adjusted for the following items:
​ | ​ | ​ | ​ | Year 2025 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,122,248) | ​ | ​ | $(3,122,248) | ​ | ​ | $(1,373,580) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 3,606,942 | ​ | ​ | 4,936,687 | ​ | ​ | 2,267,740 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,297,348 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 1,920,864 | ​ | ​ | 1,477,315 | ​ | ​ | 818,863 | ​
​ | (Decrease) increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (198,006) | ​ | ​ | (79,977) | ​ | ​ | 32,279 | ​
​ | Total adjustments | ​ | ​ | $3,504,900 | ​ | ​ | $3,211,777 | ​ | ​ | $1,745,302 | ​
​ | ​ | ​ | ​ | Year 2024 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO (Mr. Boston) | ​ | ​ | PEO (Ms. Popenoe) | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(3,176,238) | ​ | ​ | $(2,254,100) | ​ | ​ | $(1,280,750) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,928,606 | ​ | ​ | 2,281,149 | ​ | ​ | 1,296,119 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | 1,270,500 | ​ | ​ | — | ​ | ​ | — | ​
​ | Increase for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | 57,556 | ​ | ​ | 39,468 | ​ | ​ | 27,597 | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (107,158) | ​ | ​ | (99,157) | ​ | ​ | (148) | ​
​ | Total adjustments | ​ | ​ | $(26,734) | ​ | ​ | $(32,640) | ​ | ​ | $42,818 | ​
​ | ​ | ​ | ​ | Year 2023 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(2,931,062) | ​ | ​ | $(1,633,237) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 2,962,858 | ​ | ​ | 1,656,840 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | — | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (303,654) | ​ | ​ | (109,372) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (16,325) | ​ | ​ | (3,190) | ​
​ | Total adjustments | ​ | ​ | $(288,183) | ​ | ​ | $(88,959) | ​
​ | ​ | ​ | ​ | Year 2022 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table | ​ | ​ | $(1,480,618) | ​ | ​ | $(609,194) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,398,422 | ​ | ​ | 337,235 | ​
​ | Increase for fair value at vesting date of awards that were granted and vested during the year | ​ | ​ | — | ​ | ​ | 261,096 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (401,858) | ​ | ​ | (78,797) | ​
​ | Decrease for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | (44,143) | ​ | ​ | (87,038) | ​
​ | Total adjustments | ​ | ​ | $(528,197) | ​ | ​ | $(176,698) | ​
​ | ​ | ​ | ​ | Year 2021 | ​
​ | Adjustments to Summary Compensation Table Total to Calculate Compensation Actually Paid | ​ | ​ | PEO | ​ | ​ | Average for non-PEO NEOs | ​
​ | Decrease for amounts reported under the “Stock Awards” column in the Summary Compensation Table as well as amounts reported under the “Non-Equity Incentive Plan Compensation” column in the Summary Compensation Table for the portion of such long-term incentive compensation earned for performance during the three-year performance period ended December 31, 2021 that was paid in shares of the Company’s common stock | ​ | ​ | $(1,623,209) | ​ | ​ | $(887,360) | ​
​ | Increase for fair value at year-end of awards granted during year that remain outstanding and unvested as of year-end | ​ | ​ | 1,255,337 | ​ | ​ | 734,894 | ​
​ | Decrease for change in fair value from prior year-end to current year-end of awards granted in prior years that were outstanding and unvested as of year-end | ​ | ​ | (87,125) | ​ | ​ | (36,999) | ​
​ | Increase for change in fair value from prior year-end to vesting date of awards granted in prior years that vested during year | ​ | ​ | 68,704 | ​ | ​ | 28,311 | ​
​ | Total adjustments | ​ | ​ | $(386,293) | ​ | ​ | $(161,154) | ​
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |  |
Tabular List, Table | Financial Performance Measures As described in greater detail in “Executive Compensation — Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. The metrics that the Company uses for both our long-term and short-term incentive awards are selected based on an objective of incentivizing our NEOs to increase the value of our enterprise to our shareholders. The most important financial measures used by the Company to link the executive compensation actually paid to the Company’s NEOs to the Company’s performance for the most recently completed fiscal year are as follows: • absolute total economic return ​ • relative total economic return compared to a peer group ​ • relative total shareholder return compared to a peer group |  |  |  |
Total Shareholder Return Amount | $ 142.64 | 128.99 | 113.47 | 101.29 | 119.67
Peer Group Total Shareholder Return Amount | 114.13 | 79.95 | 79.78 | 69.26 | 94.04
Net Income (Loss) | $ 319,065 | $ 113,898,000 | $ (6,130,000) | $ 143,161,000 | $ 102,261,000
Company Selected Measure Amount | 0.216 | 0.074 | 0.01 | (0.094) | 0.025
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | relative total shareholder return compared to a peer group |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | absolute total economic return |  |  |  |
Measure:: 4 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | relative total economic return compared to a peer group |  |  |  |
Non-GAAP Measure Description | (4) TER percentage is the sum of dividends declared per common share during the year plus the change in book value per common share for the year divided by the beginning book value per common share. While the Company uses numerous financial and non-financial performance measures for the purpose of evaluating performance, the Company has determined that TER is the financial measure that, in the Company’s assessment, represents the most important performance measure (that is not otherwise required to be disclosed in the table) used by the Company to link compensation actually paid to the Company’s NEOs, for the most recently completed fiscal year, to Company performance. TER is a performance measure for our executives’ PSU awards. |  |  |  |
Mr. Boston [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | $ 7,771,011 | $ 7,199,588 | $ 6,177,239 | $ 4,230,683 | $ 4,476,138
PEO Actually Paid Compensation Amount | $ 11,275,911 | 7,172,854 | 5,889,056 | 3,702,486 | 4,089,845
PEO Name | Mr. Boston |  |  |  |
Ms. Popenoe [Member] |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
PEO Total Compensation Amount | $ 7,675,275 | 6,155,854 |  |  |
PEO Actually Paid Compensation Amount | $ 10,887,052 | 6,123,214 |  |  |
PEO Name | Ms. Popenoe |  |  |  |
PEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (288,183) | (528,197) | (386,293)
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (2,931,062) | (1,480,618) | (1,623,209)
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | 2,962,858 | 1,398,422 | 1,255,337
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (303,654) | (401,858) | (87,125)
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  | (16,325) | (44,143) | 68,704
PEO | Mr. Boston [Member] | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 3,504,900 | (26,734) |  |  |
PEO | Mr. Boston [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (3,122,248) | (3,176,238) |  |  |
PEO | Mr. Boston [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 3,606,942 | 1,928,606 |  |  |
PEO | Mr. Boston [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,920,864 | 57,556 |  |  |
PEO | Mr. Boston [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,297,348 | 1,270,500 |  |  |
PEO | Mr. Boston [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (198,006) | (107,158) |  |  |
PEO | Ms. Popenoe [Member] | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 3,211,777 | (32,640) |  |  |
PEO | Ms. Popenoe [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (3,122,248) | (2,254,100) |  |  |
PEO | Ms. Popenoe [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 4,936,687 | 2,281,149 |  |  |
PEO | Ms. Popenoe [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,477,315 | 39,468 |  |  |
PEO | Ms. Popenoe [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  |  |
PEO | Ms. Popenoe [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (79,977) | (99,157) |  |  |
Non-PEO NEO | Equity Awards Adjustments |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 1,745,302 | 42,818 | (88,959) | (176,698) | (161,154)
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | (1,373,580) | (1,280,750) | (1,633,237) | (609,194) | (887,360)
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 2,267,740 | 1,296,119 | 1,656,840 | 337,235 | 734,894
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | 818,863 | 27,597 | (109,372) | (78,797) | (36,999)
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount |  |  |  | 261,096 |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ 32,279 | $ (148) | $ (3,190) | $ (87,038) | $ 28,311

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