Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] |
Investments Available for Sale Securities Our available for sale securities within our investment portfolio consisted of the following as of the dates indicated: | | | | | | | | | | | | | | | | | | December 31, 2016 | (In thousands) | Amortized Cost | | Fair Value | | Gross Unrealized Gains | | Gross Unrealized Losses | Fixed-maturities available for sale: | | | | | | | | U.S. government and agency securities | $ | 78,931 |
| | $ | 75,474 |
| | $ | 2 |
| | $ | 3,459 |
| State and municipal obligations | 66,124 |
| | 67,171 |
| | 1,868 |
| | 821 |
| Corporate bonds and notes | 1,463,720 |
| | 1,455,628 |
| | 14,320 |
| | 22,412 |
| RMBS | 358,262 |
| | 350,628 |
| | 197 |
| | 7,831 |
| CMBS | 429,057 |
| | 428,289 |
| | 2,255 |
| | 3,023 |
| Other ABS | 433,603 |
| | 434,728 |
| | 2,037 |
| | 912 |
| Foreign government and agency securities | 24,771 |
| | 24,594 |
| | 148 |
| | 325 |
| Other investments | 2,000 |
| | 2,000 |
| | — |
| | — |
| | 2,856,468 |
| | 2,838,512 |
| | 20,827 |
| | 38,783 |
| Equity securities available for sale (1) | 1,330 |
| | 1,330 |
| | — |
| | — |
| Total debt and equity securities | $ | 2,857,798 |
| | $ | 2,839,842 |
| | $ | 20,827 |
| | $ | 38,783 |
|
______________________ | | (1) | Primarily consists of investments in Federal Home Loan Bank stock as required in connection with the memberships of Radian Guaranty and Radian Reinsurance in the Federal Home Loan Bank of Pittsburgh. |
| | | | | | | | | | | | | | | | | | December 31, 2015 | (In thousands) | Amortized Cost | | Fair Value | | Gross Unrealized Gains | | Gross Unrealized Losses | Fixed-maturities available for sale: | | | | | | | | U.S. government and agency securities | $ | 13,773 |
| | $ | 13,752 |
| | $ | — |
| | $ | 21 |
| State and municipal obligations | 36,920 |
| | 37,900 |
| | 1,100 |
| | 120 |
| Corporate bonds and notes | 815,024 |
| | 802,193 |
| | 4,460 |
| | 17,291 |
| RMBS | 226,744 |
| | 224,905 |
| | 625 |
| | 2,464 |
| CMBS | 415,780 |
| | 406,910 |
| | 69 |
| | 8,939 |
| Other ABS | 359,452 |
| | 355,494 |
| | 16 |
| | 3,974 |
| Foreign government and agency securities | 25,663 |
| | 24,307 |
| | 27 |
| | 1,383 |
| | 1,893,356 |
| | 1,865,461 |
| | 6,297 |
| | 34,192 |
| Equity securities available for sale (1) | 75,538 |
| | 75,430 |
| | — |
| | 108 |
| Total debt and equity securities | $ | 1,968,894 |
| | $ | 1,940,891 |
| | $ | 6,297 |
| | $ | 34,300 |
|
______________________ | | (1) | Primarily consists of a multi-sector exchange-traded fund. |
Gross Unrealized Losses and Related Fair Values of Available for Sale Securities For securities deemed “available for sale” and that are in an unrealized loss position, the following tables show the gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of the dates indicated: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2016 | ($ in thousands) Description of Securities | | Less Than 12 Months | | 12 Months or Greater | | Total | | # of securities | | Fair Value | | Unrealized Losses | | # of securities | | Fair Value | | Unrealized Losses | | # of securities | | Fair Value | | Unrealized Losses | U.S. government and agency securities | | 7 |
| | $ | 73,160 |
| | $ | 3,459 |
| | — |
| | $ | — |
| | $ | — |
| | 7 |
| | $ | 73,160 |
| | $ | 3,459 |
| State and municipal obligations | | 7 |
| | 30,901 |
| | 821 |
| | — |
| | — |
| | — |
| | 7 |
| | 30,901 |
| | 821 |
| Corporate bonds and notes | | 185 |
| | 788,876 |
| | 22,135 |
| | 2 |
| | 4,582 |
| | 277 |
| | 187 |
| | 793,458 |
| | 22,412 |
| RMBS | | 56 |
| | 311,031 |
| | 7,822 |
| | 1 |
| | 1,398 |
| | 9 |
| | 57 |
| | 312,429 |
| | 7,831 |
| CMBS | | 37 |
| | 218,170 |
| | 2,909 |
| | 2 |
| | 6,585 |
| | 114 |
| | 39 |
| | 224,755 |
| | 3,023 |
| Other ABS | | 58 |
| | 131,268 |
| | 470 |
| | 16 |
| | 45,886 |
| | 442 |
| | 74 |
| | 177,154 |
| | 912 |
| Foreign government and agency securities | | 12 |
| | 13,034 |
| | 325 |
| | — |
| | — |
| | — |
| | 12 |
| | 13,034 |
| | 325 |
| Total | | 362 |
| | $ | 1,566,440 |
| | $ | 37,941 |
| | 21 |
| | $ | 58,451 |
| | $ | 842 |
| | 383 |
| | $ | 1,624,891 |
| | $ | 38,783 |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2015 | ($ in thousands) Description of Securities | | Less Than 12 Months | | 12 Months or Greater | | Total | | # of securities | | Fair Value | | Unrealized Losses | | # of securities | | Fair Value | | Unrealized Losses | | # of securities | | Fair Value | | Unrealized Losses | U.S. government and agency securities | | 1 |
| | $ | 5,752 |
| | $ | 21 |
| | — |
| | $ | — |
| | $ | — |
| | 1 |
| | $ | 5,752 |
| | $ | 21 |
| State and municipal obligations | | 2 |
| | 11,674 |
| | 120 |
| | — |
| | — |
| | — |
| | 2 |
| | 11,674 |
| | 120 |
| Corporate bonds and notes | | 117 |
| | 510,807 |
| | 16,773 |
| | 6 |
| | 8,700 |
| | 518 |
| | 123 |
| | 519,507 |
| | 17,291 |
| RMBS | | 12 |
| | 168,415 |
| | 2,464 |
| | — |
| | — |
| | — |
| | 12 |
| | 168,415 |
| | 2,464 |
| CMBS | | 58 |
| | 387,268 |
| | 8,939 |
| | — |
| | — |
| | — |
| | 58 |
| | 387,268 |
| | 8,939 |
| Other ABS | | 96 |
| | 284,998 |
| | 2,559 |
| | 14 |
| | 43,225 |
| | 1,415 |
| | 110 |
| | 328,223 |
| | 3,974 |
| Foreign government and agency securities | | 18 |
| | 18,733 |
| | 1,095 |
| | 3 |
| | 2,278 |
| | 288 |
| | 21 |
| | 21,011 |
| | 1,383 |
| Equity securities | | 1 |
| | 74,930 |
| | 108 |
| | — |
| | — |
| | — |
| | 1 |
| | 74,930 |
| | 108 |
| Total | | 305 |
| | $ | 1,462,577 |
| | $ | 32,079 |
| | 23 |
| | $ | 54,203 |
| | $ | 2,221 |
| | 328 |
| | $ | 1,516,780 |
| | $ | 34,300 |
|
Impairments due to credit deterioration that result in a conclusion that the present value of cash flows expected to be collected will not be sufficient to recover the amortized cost basis of the security are considered other-than-temporary. Other declines in fair value (for example, due to interest rate changes, sector credit rating changes or company-specific rating changes) that result in a conclusion that the present value of cash flows expected to be collected will not be sufficient to recover the amortized cost basis of the security also may serve as a basis to conclude that an other-than-temporary impairment has occurred. To the extent we determine that a security is deemed to have had an other-than-temporary impairment, an impairment loss is recognized. We recognized an other-than-temporary impairment loss in earnings of $0.5 million due to our intent to sell certain corporate bonds carried at a loss as of December 31, 2016. For the years ended December 31, 2016, 2015 and 2014, there were no credit-related impairment losses recognized in earnings or in AOCI. We had securities in an unrealized loss position that we did not consider to be other-than-temporarily impaired as of December 31, 2016. For all investment categories, the unrealized losses of 12 months or greater duration as of December 31, 2016, were generally caused by interest rate or credit spread movements since the purchase date, and as such, we expect the present value of cash flows to be collected from these securities to be sufficient to recover the amortized cost basis of these securities. As of December 31, 2016, other than as discussed above, we did not have the intent to sell any debt securities in an unrealized loss position and we determined that it is more likely than not that we will not be required to sell the securities before recovery of their cost basis, which may be at maturity; therefore, we did not consider these investments to be other-than-temporarily impaired at December 31, 2016. Trading Securities The trading securities within our investment portfolio, which are recorded at fair value, consisted of the following as of the dates indicated: | | | | | | | | | | December 31, | (In thousands) | 2016 | | 2015 | Trading securities: | | | | U.S. government and agency securities | $ | 33,042 |
| | $ | 129,913 |
| State and municipal obligations | 259,573 |
| | 303,946 |
| Corporate bonds and notes | 453,617 |
| | 580,993 |
| RMBS | 38,214 |
| | 72,192 |
| CMBS | 78,984 |
| | 137,678 |
| Other ABS | 8,219 |
| | 16,131 |
| Foreign government and agency securities | 8,213 |
| | 13,268 |
| Equity securities | — |
| | 25,016 |
| Total | $ | 879,862 |
| | $ | 1,279,137 |
|
For trading securities that were held at December 31, 2016 and 2015, we had net unrealized gains of $16.8 million during 2016, compared to net unrealized losses of $25.2 million during 2015. As of December 31, 2016 and 2015, our investment portfolio included no securities of countries that have obligations that have been under particular stress due to economic uncertainty, potential restructuring and ratings downgrades. For the years ended December 31, 2016, 2015 and 2014, we did not sell or transfer any fixed-maturity investments classified as held to maturity. For the years ended December 31, 2016, 2015 and 2014, we did not transfer any securities from the available for sale or trading categories.
Net Investment Income Net investment income consisted of: | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | 2016 | | 2015 | | 2014 | Investment income: | | | | | | Fixed-maturities | $ | 115,880 |
| | $ | 81,127 |
| | $ | 62,352 |
| Equity securities | 86 |
| | 4,539 |
| | 6,287 |
| Short-term investments | 3,086 |
| | 745 |
| | 246 |
| Other | 1,161 |
| | 600 |
| | 1,848 |
| Gross investment income | 120,213 |
| | 87,011 |
| | 70,733 |
| Investment expenses | (6,747 | ) | | (5,474 | ) | | (5,078 | ) | Net investment income | $ | 113,466 |
| | $ | 81,537 |
| | $ | 65,655 |
|
Net Gains (Losses) on Investments and Other Financial Instruments Net realized and unrealized gains (losses), including impairment losses, on investments and other financial instruments consisted of: | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | 2016 |
| 2015 |
| 2014 | Net realized gains (losses) on investments: | | | | | | Fixed-maturities held to maturity | $ | — |
| | $ | — |
| | $ | (9 | ) | Fixed-maturities available for sale (1) | 4,160 |
| | (1,176 | ) | | (1,599 | ) | Equities available for sale (2) | (170 | ) | | 69,150 |
| | — |
| Trading securities | (237 | ) | | (9,231 | ) | | (6,996 | ) | Short-term investments | (135 | ) | | (24 | ) | | 1 |
| Other invested assets | 631 |
| | 3,267 |
| | — |
| Other gains (losses) | 64 |
| | 110 |
| | 246 |
| Net realized gains (losses) on investments | 4,313 |
| | 62,096 |
| (3) | (8,357 | ) | Other-than-temporary impairment losses | (526 | ) | | — |
| | — |
| Unrealized gains (losses) on trading securities | 27,217 |
| | (27,015 | ) | | 92,226 |
| Total gains (losses) on investments | 31,004 |
| | 35,081 |
| | 83,869 |
| Net gains (losses) on other financial instruments | (253 | ) | | 612 |
| | (3,880 | ) | Net gains (losses) on investments and other financial instruments | $ | 30,751 |
| | $ | 35,693 |
| | $ | 79,989 |
|
______________________(1)Components of net realized gains (losses) on fixed-maturities available for sale include: | | | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | | 2016 | | 2015 | | 2014 | Gross investment gains from sales and redemptions | | $ | 10,326 |
| | $ | 64 |
| | $ | 99 |
| Gross investment losses from sales and redemptions | | (6,166 | ) | | (1,240 | ) | | (1,698 | ) |
| | (2) | Net realized gains (losses) on equities available for sale for the years ended December 31, 2016 and 2015 represent the gross amount of losses and gains, respectively, realized for those periods. |
| | (3) | During the second quarter of 2015, we sold equity securities in our portfolio and reinvested the proceeds in assets that qualify as PMIERs-compliant Available Assets, recognizing pretax gains of $69.2 million. |
Change in Unrealized Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) The change in unrealized gains (losses) recorded in accumulated other comprehensive income (loss) consisted of the following: | | | | | | | | | | | | | | Year Ended December 31, | (In thousands) | 2016 | | 2015 | | 2014 | Fixed-maturities: | | | | | | Unrealized holding gains (losses) arising during the period, net of tax | $ | 8,822 |
| | $ | (24,246 | ) | | $ | 4,531 |
| Less reclassification adjustment for net gains (losses) included in net income (loss), net of tax | 2,361 |
| | (764 | ) | | (1,039 | ) | Net unrealized gains (losses) on investments, net of tax | $ | 6,461 |
| | $ | (23,482 | ) | | $ | 5,570 |
| | | | | | | Equities: | |
| | |
| | |
| Unrealized holding gains (losses) arising during the period, net of tax | $ | (40 | ) | | $ | 1,673 |
| | $ | 9,119 |
| Less reclassification adjustment for net gains (losses) included in net income (loss), net of tax | (110 | ) | | 44,947 |
| | — |
| Net unrealized gains (losses) on investments, net of tax | $ | 70 |
| | $ | (43,274 | ) | | $ | 9,119 |
|
Contractual Maturities The contractual maturities of fixed-maturity investments available for sale are as follows: | | | | | | | | | | December 31, 2016 | (In thousands) | Amortized Cost | | Fair Value | Due in one year or less (1) | $ | 40,639 |
| | $ | 40,570 |
| Due after one year through five years (1) | 316,744 |
| | 317,728 |
| Due after five years through ten years (1) | 851,375 |
| | 841,208 |
| Due after ten years (1) | 426,788 |
| | 425,361 |
| RMBS (2) | 358,262 |
| | 350,628 |
| CMBS (2) | 429,057 |
| | 428,289 |
| Other ABS (2) | 433,603 |
| | 434,728 |
| Total | $ | 2,856,468 |
| | $ | 2,838,512 |
|
______________________ | | (1) | Actual maturities may differ as a result of calls before scheduled maturity. |
| | (2) | RMBS, CMBS, and Other ABS are shown separately, as they are not due at a single maturity date. |
Other As of December 31, 2016, we did not have any investment in any person and its affiliates that exceeded 10% of our total stockholders’ equity. Securities on deposit with various state insurance commissioners amounted to $10.8 million and $10.4 million at December 31, 2016 and 2015, respectively. At December 31, 2016 and 2015, Radian Guaranty had $63.9 million and $74.7 million, respectively, in a collateral account pursuant to the Freddie Mac Agreement. This collateral account, which contains investments primarily invested in trading securities, is pledged to cover Loss Mitigation Activity on the loans subject to the Freddie Mac Agreement. Subject to certain conditions in the Freddie Mac Agreement, amounts in the collateral account may be released to Radian Guaranty over time to the extent that Loss Mitigation Activity becomes final in accordance with the terms of that agreement. See Note 11 for additional information.
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