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Pay vs Performance Disclosure | 12 Months Ended
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Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |  |
Pay vs Performance Disclosure, Table | Pay Versus Performance The following table and supporting graphics below set out information regarding fiscal years ended December 31, 2024, 2023, 2022, 2021 and 2020 in satisfaction of Item 402(v) of Regulation S-K. Our compensation programs have a history of aligning pay and performance. This is demonstrated in the Company selected measure listed below: Growth in Book Value per Share, which focuses on year-over-year increases in total shareholders’ equity through earnings and our ability to return capital to shareholders. Growth in Book Value per Share serves as the basis for a performance metric for our long-term equity incentive program—the largest component of compensation for our chief executive officer and a significant component of compensation for our other named executive officers. For detail on the Company’s executive compensation programs, see the CD&A section beginning on page 28.
Year | ​ | ​ | Summary compensation table total for PEO(1) | ​ | ​ | Compensation actually paid to PEO(1) | ​ | ​ | Average summary compensation table for non-PEO named executive officers(2) | ​ | ​ | Average compensation actually paid to non-PEO named executive officers(2) | ​ | ​ | Value of initial fixed $100 investment based on: | ​ | ​ | Net Income(5) | ​ | ​ | Growth in Book Value Per Share(6) | ​
​ | Total shareholder return(3) | ​ | ​ | Peer group total shareholder return(4) | ​
(a) | ​ | ​ | (b) | ​ | ​ | (c) | ​ | ​ | (d) | ​ | ​ | (e) | ​ | ​ | (f) | ​ | ​ | (g) | ​ | ​ | (h) | ​ | ​ | (i) | ​
2024 | ​ | ​ | ​ | $ | 9,783,714 | ​ | ​ | ​ | ​ | $ | 12,661,426 | ​ | ​ | ​ | ​ | $ | 2,240,511 | ​ | ​ | ​ | ​ | $ | 2,813,691 | ​ | ​ | ​ | ​ | $ | 125 | ​ | ​ | ​ | ​ | $ | 251 | ​ | ​ | ​ | ​ | $ | 729,403,000 | ​ | ​ | ​ | ​ | ​ | 13.2% | ​ | ​
2023 | ​ | ​ | ​ | $ | 8,886,452 | ​ | ​ | ​ | ​ | $ | 20,054,917 | ​ | ​ | ​ | ​ | $ | 2,436,696 | ​ | ​ | ​ | ​ | $ | 3,705,577 | ​ | ​ | ​ | ​ | $ | 126 | ​ | ​ | ​ | ​ | $ | 202 | ​ | ​ | ​ | ​ | $ | 696,386,000 | ​ | ​ | ​ | ​ | ​ | 15.5% | ​ | ​
2022 | ​ | ​ | ​ | $ | 8,912,746 | ​ | ​ | ​ | ​ | $ | 6,232,030 | ​ | ​ | ​ | ​ | $ | 2,742,113 | ​ | ​ | ​ | ​ | $ | 2,264,421 | ​ | ​ | ​ | ​ | $ | 87 | ​ | ​ | ​ | ​ | $ | 163 | ​ | ​ | ​ | ​ | $ | 831,353,000 | ​ | ​ | ​ | ​ | ​ | 7.0% | ​ | ​
2021 | ​ | ​ | ​ | $ | 9,137,867 | ​ | ​ | ​ | ​ | $ | 6,162,378 | ​ | ​ | ​ | ​ | $ | 2,564,963 | ​ | ​ | ​ | ​ | $ | 2,094,548 | ​ | ​ | ​ | ​ | $ | 96 | ​ | ​ | ​ | ​ | $ | 115 | ​ | ​ | ​ | ​ | $ | 681,783,000 | ​ | ​ | ​ | ​ | ​ | 12.7% | ​ | ​
2020 | ​ | ​ | ​ | $ | 6,778,301 | ​ | ​ | ​ | ​ | $ | 3,910,067 | ​ | ​ | ​ | ​ | $ | 1,702,466 | ​ | ​ | ​ | ​ | $ | 1,156,739 | ​ | ​ | ​ | ​ | $ | 87 | ​ | ​ | ​ | ​ | $ | 86 | ​ | ​ | ​ | ​ | $ | 413,041,000 | ​ | ​ | ​ | ​ | ​ | 13.2% | ​ | ​
​ (1) The PEO for each year reported is Mark A. Casale. The non-PEO named executive officers for each year reported are as follows: ​ • 2024 and 2023: Christopher G. Curran, Mary L. Gibbons, Vijay Bhasin and David B. Weinstock ​ • 2022: Christopher G. Curran, Mary L. Gibbons, Vijay Bhasin, David B. Weinstock and Lawrence E. McAlee ​ • 2021 and 2020: Christopher G. Curran, Lawrence E. McAlee, Jeff R. Cashmer and Vijay Bhasin ​ (2) SEC rules require certain adjustments be made to the “Summary Compensation Table” totals to determine “compensation actually paid” as reported in the “Pay versus Performance Table” above. For purposes of the equity award adjustments shown below, no equity awards were cancelled due to a failure to meet vesting conditions. The following table details the applicable adjustments that were made to determine “compensation actually paid” ​(all amounts are averages for the non-PEO named executive officers, who we refer to as Other NEOs in the following table): ​
Year | ​ | ​ | Executive(s) | ​ | ​ | “Summary Compensation Table” Total | ​ | ​ | Deduct Stock Award Included in “Summary Compensation Table” | ​ | ​ | Add Year-end Value of Unvested Equity Awards Granted in Year | ​ | ​ | Change in Value of Unvested Equity Awards Granted in Prior Years | ​ | ​ | Change in Value of Equity Awards Granted in Prior Years which Vested in Year | ​ | ​ | “Pay versus Performance Table” Compensation Actually Paid | ​
2024 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,783,714 | ​ | ​ | ​ | ​ | $ | (5,148,797) | ​ | ​ | ​ | ​ | $ | 3,411,317 | ​ | ​ | ​ | ​ | $ | 4,505,117 | ​ | ​ | ​ | ​ | $ | 110,075 | ​ | ​ | ​ | ​ | $ | 12,661,426 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,240,511 | ​ | ​ | ​ | ​ | $ | (860,185) | ​ | ​ | ​ | ​ | $ | 1,015,556 | ​ | ​ | ​ | ​ | $ | 399,543 | ​ | ​ | ​ | ​ | $ | 18,266 | ​ | ​ | ​ | ​ | $ | 2,813,691 | ​ | ​
2023 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,886,452 | ​ | ​ | ​ | ​ | $ | (4,118,728) | ​ | ​ | ​ | ​ | $ | 7,282,244 | ​ | ​ | ​ | ​ | $ | 7,621,189 | ​ | ​ | ​ | ​ | $ | 383,760 | ​ | ​ | ​ | ​ | $ | 20,054,917 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,436,696 | ​ | ​ | ​ | ​ | $ | (1,013,252) | ​ | ​ | ​ | ​ | $ | 1,524,268 | ​ | ​ | ​ | ​ | $ | 709,404 | ​ | ​ | ​ | ​ | $ | 48,460 | ​ | ​ | ​ | ​ | $ | 3,705,577 | ​ | ​
2022 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,912,746 | ​ | ​ | ​ | ​ | $ | (4,416,683) | ​ | ​ | ​ | ​ | $ | 3,016,321 | ​ | ​ | ​ | ​ | $ | (982,433) | ​ | ​ | ​ | ​ | $ | (297,921) | ​ | ​ | ​ | ​ | $ | 6,232,030 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,742,113 | ​ | ​ | ​ | ​ | $ | (708,333) | ​ | ​ | ​ | ​ | $ | 430,608 | ​ | ​ | ​ | ​ | $ | (131,664) | ​ | ​ | ​ | ​ | $ | (68,303) | ​ | ​ | ​ | ​ | $ | 2,264,421 | ​ | ​
2021 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,137,867 | ​ | ​ | ​ | ​ | $ | (5,486,346) | ​ | ​ | ​ | ​ | $ | 2,111,297 | ​ | ​ | ​ | ​ | $ | 383,642 | ​ | ​ | ​ | ​ | $ | 15,918 | ​ | ​ | ​ | ​ | $ | 6,162,378 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,564,963 | ​ | ​ | ​ | ​ | $ | (1,092,805) | ​ | ​ | ​ | ​ | $ | 546,569 | ​ | ​ | ​ | ​ | $ | 52,889 | ​ | ​ | ​ | ​ | $ | 22,932 | ​ | ​ | ​ | ​ | $ | 2,094,548 | ​ | ​
2020 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 6,778,301 | ​ | ​ | ​ | ​ | $ | (4,162,558) | ​ | ​ | ​ | ​ | $ | 3,553,928 | ​ | ​ | ​ | ​ | $ | (1,438,198) | ​ | ​ | ​ | ​ | $ | (821,406) | ​ | ​ | ​ | ​ | $ | 3,910,067 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 1,702,466 | ​ | ​ | ​ | ​ | $ | (800,028) | ​ | ​ | ​ | ​ | $ | 648,896 | ​ | ​ | ​ | ​ | $ | (235,143) | ​ | ​ | ​ | ​ | $ | (159,452) | ​ | ​ | ​ | ​ | $ | 1,156,739 | ​ | ​
​ (3) Represents our Company’s cumulative total shareholder return (“TSR”) for the measurement period December 31, 2019 through December 31 of the year indicated. ​ (4) Represents the cumulative TSR of a composite peer group selected by us consisting of Arch Capital Group Ltd., Enact Holdings, Inc. (from and after September 16, 2021), Genworth Financial, Inc. (through September 15, 2021), MGIC Investment Corporation, NMI Holdings, Inc. and Radian Group Inc. (collectively, the “Peer Index”). We selected the members of each peer group because each was, at the time, a direct competitor of ours in the private mortgage insurance industry. On September 16, 2021, shares of common stock Enact Holdings, Inc. began trading on the Nasdaq Global Select Market, ​ independent of the shares of its parent company, Genworth Financial, Inc. (which retained approximately 80% of the outstanding common shares of Enact Holdings, Inc. after its initial public offering on such date). The Peer Group is the peer group used by us for purposes of Item 201(e) of Regulation S-K under the Exchange Act in our Annual Report on Form 10-K for the year ended December 31, 2024. (5) Represents “Net Income” in our Consolidated Income Statements included in our Annual Report on Form 10-K for each of the years ended December 31, 2024, 2023, 2022, 2021 and 2020. ​ (6) Our Company-selected measure is Growth in Book Value per Share. Book value per share is calculated as (i) total stockholders equity, divided by (ii) total common shares outstanding. Amounts in column represent growth in book value per share as of December 31, 2024, 2023, 2022, 2021 and 2020 as a percentage of the book value per share as of December 31 of the year immediately preceding each such date. ​ |  |  |  |
Company Selected Measure Name | Growth in Book Value Per Share |  |  |  |
Named Executive Officers, Footnote | (1) The PEO for each year reported is Mark A. Casale. The non-PEO named executive officers for each year reported are as follows: • 2024 and 2023: Christopher G. Curran, Mary L. Gibbons, Vijay Bhasin and David B. Weinstock ​ • 2022: Christopher G. Curran, Mary L. Gibbons, Vijay Bhasin, David B. Weinstock and Lawrence E. McAlee ​ • 2021 and 2020: Christopher G. Curran, Lawrence E. McAlee, Jeff R. Cashmer and Vijay Bhasin |  |  |  |
Peer Group Issuers, Footnote | 4) Represents the cumulative TSR of a composite peer group selected by us consisting of Arch Capital Group Ltd., Enact Holdings, Inc. (from and after September 16, 2021), Genworth Financial, Inc. (through September 15, 2021), MGIC Investment Corporation, NMI Holdings, Inc. and Radian Group Inc. (collectively, the “Peer Index”). We selected the members of each peer group because each was, at the time, a direct competitor of ours in the private mortgage insurance industry. On September 16, 2021, shares of common stock Enact Holdings, Inc. began trading on the Nasdaq Global Select Market |  |  |  |
PEO Total Compensation Amount | $ 9,783,714 | $ 8,886,452 | $ 8,912,746 | $ 9,137,867 | $ 6,778,301
PEO Actually Paid Compensation Amount | $ 12,661,426 | 20,054,917 | 6,232,030 | 6,162,378 | 3,910,067
Adjustment To PEO Compensation, Footnote | (2) SEC rules require certain adjustments be made to the “Summary Compensation Table” totals to determine “compensation actually paid” as reported in the “Pay versus Performance Table” above. For purposes of the equity award adjustments shown below, no equity awards were cancelled due to a failure to meet vesting conditions. The following table details the applicable adjustments that were made to determine “compensation actually paid” ​(all amounts are averages for the non-PEO named executive officers, who we refer to as Other NEOs in the following table): ​
Year | ​ | ​ | Executive(s) | ​ | ​ | “Summary Compensation Table” Total | ​ | ​ | Deduct Stock Award Included in “Summary Compensation Table” | ​ | ​ | Add Year-end Value of Unvested Equity Awards Granted in Year | ​ | ​ | Change in Value of Unvested Equity Awards Granted in Prior Years | ​ | ​ | Change in Value of Equity Awards Granted in Prior Years which Vested in Year | ​ | ​ | “Pay versus Performance Table” Compensation Actually Paid | ​
2024 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,783,714 | ​ | ​ | ​ | ​ | $ | (5,148,797) | ​ | ​ | ​ | ​ | $ | 3,411,317 | ​ | ​ | ​ | ​ | $ | 4,505,117 | ​ | ​ | ​ | ​ | $ | 110,075 | ​ | ​ | ​ | ​ | $ | 12,661,426 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,240,511 | ​ | ​ | ​ | ​ | $ | (860,185) | ​ | ​ | ​ | ​ | $ | 1,015,556 | ​ | ​ | ​ | ​ | $ | 399,543 | ​ | ​ | ​ | ​ | $ | 18,266 | ​ | ​ | ​ | ​ | $ | 2,813,691 | ​ | ​
2023 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,886,452 | ​ | ​ | ​ | ​ | $ | (4,118,728) | ​ | ​ | ​ | ​ | $ | 7,282,244 | ​ | ​ | ​ | ​ | $ | 7,621,189 | ​ | ​ | ​ | ​ | $ | 383,760 | ​ | ​ | ​ | ​ | $ | 20,054,917 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,436,696 | ​ | ​ | ​ | ​ | $ | (1,013,252) | ​ | ​ | ​ | ​ | $ | 1,524,268 | ​ | ​ | ​ | ​ | $ | 709,404 | ​ | ​ | ​ | ​ | $ | 48,460 | ​ | ​ | ​ | ​ | $ | 3,705,577 | ​ | ​
2022 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,912,746 | ​ | ​ | ​ | ​ | $ | (4,416,683) | ​ | ​ | ​ | ​ | $ | 3,016,321 | ​ | ​ | ​ | ​ | $ | (982,433) | ​ | ​ | ​ | ​ | $ | (297,921) | ​ | ​ | ​ | ​ | $ | 6,232,030 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,742,113 | ​ | ​ | ​ | ​ | $ | (708,333) | ​ | ​ | ​ | ​ | $ | 430,608 | ​ | ​ | ​ | ​ | $ | (131,664) | ​ | ​ | ​ | ​ | $ | (68,303) | ​ | ​ | ​ | ​ | $ | 2,264,421 | ​ | ​
2021 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,137,867 | ​ | ​ | ​ | ​ | $ | (5,486,346) | ​ | ​ | ​ | ​ | $ | 2,111,297 | ​ | ​ | ​ | ​ | $ | 383,642 | ​ | ​ | ​ | ​ | $ | 15,918 | ​ | ​ | ​ | ​ | $ | 6,162,378 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,564,963 | ​ | ​ | ​ | ​ | $ | (1,092,805) | ​ | ​ | ​ | ​ | $ | 546,569 | ​ | ​ | ​ | ​ | $ | 52,889 | ​ | ​ | ​ | ​ | $ | 22,932 | ​ | ​ | ​ | ​ | $ | 2,094,548 | ​ | ​
2020 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 6,778,301 | ​ | ​ | ​ | ​ | $ | (4,162,558) | ​ | ​ | ​ | ​ | $ | 3,553,928 | ​ | ​ | ​ | ​ | $ | (1,438,198) | ​ | ​ | ​ | ​ | $ | (821,406) | ​ | ​ | ​ | ​ | $ | 3,910,067 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 1,702,466 | ​ | ​ | ​ | ​ | $ | (800,028) | ​ | ​ | ​ | ​ | $ | 648,896 | ​ | ​ | ​ | ​ | $ | (235,143) | ​ | ​ | ​ | ​ | $ | (159,452) | ​ | ​ | ​ | ​ | $ | 1,156,739 | ​ | ​
Non-PEO NEO Average Total Compensation Amount | $ 2,240,511 | 2,436,696 | 2,742,113 | 2,564,963 | 1,702,466
Non-PEO NEO Average Compensation Actually Paid Amount | $ 2,813,691 | 3,705,577 | 2,264,421 | 2,094,548 | 1,156,739
Adjustment to Non-PEO NEO Compensation Footnote | (2) SEC rules require certain adjustments be made to the “Summary Compensation Table” totals to determine “compensation actually paid” as reported in the “Pay versus Performance Table” above. For purposes of the equity award adjustments shown below, no equity awards were cancelled due to a failure to meet vesting conditions. The following table details the applicable adjustments that were made to determine “compensation actually paid” ​(all amounts are averages for the non-PEO named executive officers, who we refer to as Other NEOs in the following table): ​
Year | ​ | ​ | Executive(s) | ​ | ​ | “Summary Compensation Table” Total | ​ | ​ | Deduct Stock Award Included in “Summary Compensation Table” | ​ | ​ | Add Year-end Value of Unvested Equity Awards Granted in Year | ​ | ​ | Change in Value of Unvested Equity Awards Granted in Prior Years | ​ | ​ | Change in Value of Equity Awards Granted in Prior Years which Vested in Year | ​ | ​ | “Pay versus Performance Table” Compensation Actually Paid | ​
2024 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,783,714 | ​ | ​ | ​ | ​ | $ | (5,148,797) | ​ | ​ | ​ | ​ | $ | 3,411,317 | ​ | ​ | ​ | ​ | $ | 4,505,117 | ​ | ​ | ​ | ​ | $ | 110,075 | ​ | ​ | ​ | ​ | $ | 12,661,426 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,240,511 | ​ | ​ | ​ | ​ | $ | (860,185) | ​ | ​ | ​ | ​ | $ | 1,015,556 | ​ | ​ | ​ | ​ | $ | 399,543 | ​ | ​ | ​ | ​ | $ | 18,266 | ​ | ​ | ​ | ​ | $ | 2,813,691 | ​ | ​
2023 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,886,452 | ​ | ​ | ​ | ​ | $ | (4,118,728) | ​ | ​ | ​ | ​ | $ | 7,282,244 | ​ | ​ | ​ | ​ | $ | 7,621,189 | ​ | ​ | ​ | ​ | $ | 383,760 | ​ | ​ | ​ | ​ | $ | 20,054,917 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,436,696 | ​ | ​ | ​ | ​ | $ | (1,013,252) | ​ | ​ | ​ | ​ | $ | 1,524,268 | ​ | ​ | ​ | ​ | $ | 709,404 | ​ | ​ | ​ | ​ | $ | 48,460 | ​ | ​ | ​ | ​ | $ | 3,705,577 | ​ | ​
2022 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 8,912,746 | ​ | ​ | ​ | ​ | $ | (4,416,683) | ​ | ​ | ​ | ​ | $ | 3,016,321 | ​ | ​ | ​ | ​ | $ | (982,433) | ​ | ​ | ​ | ​ | $ | (297,921) | ​ | ​ | ​ | ​ | $ | 6,232,030 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,742,113 | ​ | ​ | ​ | ​ | $ | (708,333) | ​ | ​ | ​ | ​ | $ | 430,608 | ​ | ​ | ​ | ​ | $ | (131,664) | ​ | ​ | ​ | ​ | $ | (68,303) | ​ | ​ | ​ | ​ | $ | 2,264,421 | ​ | ​
2021 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 9,137,867 | ​ | ​ | ​ | ​ | $ | (5,486,346) | ​ | ​ | ​ | ​ | $ | 2,111,297 | ​ | ​ | ​ | ​ | $ | 383,642 | ​ | ​ | ​ | ​ | $ | 15,918 | ​ | ​ | ​ | ​ | $ | 6,162,378 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 2,564,963 | ​ | ​ | ​ | ​ | $ | (1,092,805) | ​ | ​ | ​ | ​ | $ | 546,569 | ​ | ​ | ​ | ​ | $ | 52,889 | ​ | ​ | ​ | ​ | $ | 22,932 | ​ | ​ | ​ | ​ | $ | 2,094,548 | ​ | ​
2020 | ​ | ​ | PEO | ​ | ​ | ​ | $ | 6,778,301 | ​ | ​ | ​ | ​ | $ | (4,162,558) | ​ | ​ | ​ | ​ | $ | 3,553,928 | ​ | ​ | ​ | ​ | $ | (1,438,198) | ​ | ​ | ​ | ​ | $ | (821,406) | ​ | ​ | ​ | ​ | $ | 3,910,067 | ​ | ​
​ | Other NEOs | ​ | ​ | ​ | $ | 1,702,466 | ​ | ​ | ​ | ​ | $ | (800,028) | ​ | ​ | ​ | ​ | $ | 648,896 | ​ | ​ | ​ | ​ | $ | (235,143) | ​ | ​ | ​ | ​ | $ | (159,452) | ​ | ​ | ​ | ​ | $ | 1,156,739 | ​ | ​
Compensation Actually Paid vs. Total Shareholder Return | Compensation Actually Paid Versus Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income | Compensation Actually Paid Versus Net Income |  |  |  |
Compensation Actually Paid vs. Company Selected Measure | Compensation Actually Paid Versus Growth in BVPS |  |  |  |
Total Shareholder Return Vs Peer Group | Compensation Actually Paid Versus Total Shareholder Return |  |  |  |
Tabular List, Table | The following non-ranked list shows the financial performance measures we view as the most important to link executive compensation actually paid during the most recent fiscal year to our performance during that same period: • Earnings per share ​ • Growth in book value per share ​ • Net income ​ • New insurance written (NIW) ​ • Return on equity ​ • TSR |  |  |  |
Total Shareholder Return Amount | $ 125 | 126 | 87 | 96 | 87
Peer Group Total Shareholder Return Amount | 251 | 202 | 163 | 115 | 86
Net Income (Loss) | $ 729,403,000 | $ 696,386,000 | $ 831,353,000 | $ 681,783,000 | $ 413,041,000
Company Selected Measure Amount | 13.2 | 15.5 | 7 | 12.7 | 13.2
PEO Name | Mark A. Casale |  |  |  |
Measure:: 1 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Earnings per share |  |  |  |
Measure:: 2 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Growth in book value per share |  |  |  |
Non-GAAP Measure Description | (6) Our Company-selected measure is Growth in Book Value per Share. Book value per share is calculated as (i) total stockholders equity, divided by (ii) total common shares outstanding. Amounts in column represent growth in book value per share as of December 31, 2024, 2023, 2022, 2021 and 2020 as a percentage of the book value per share as of December 31 of the year immediately preceding each such date. |  |  |  |
Measure:: 3 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Net income |  |  |  |
Measure:: 4 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | New insurance written (NIW) |  |  |  |
Measure:: 5 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | Return on equity |  |  |  |
Measure:: 6 |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Name | TSR |  |  |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |
Adjustment to Compensation, Amount | $ (5,148,797) | $ (4,118,728) | $ (4,416,683) | $ (5,486,346) | $ (4,162,558)
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 | 3,411,317 | 7,282,244 | 3,016,321 | 2,111,297 | 3,553,928
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 | 4,505,117 | 7,621,189 | (982,433) | 383,642 | (1,438,198)
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 | 110,075 | 383,760 | (297,921) | 15,918 | (821,406)
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 | (860,185) | (1,013,252) | (708,333) | (1,092,805) | (800,028)
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 | 1,015,556 | 1,524,268 | 430,608 | 546,569 | 648,896
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 | 399,543 | 709,404 | (131,664) | 52,889 | (235,143)
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 | $ 18,266 | $ 48,460 | $ (68,303) | $ 22,932 | $ (159,452)

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