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Note 5 - Investments | 9 Months Ended
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Sep. 30, 2019
Investments [Abstract] |
Investments | Investments Available for Sale Securities Our available for sale securities within our investment portfolio consisted of the following as of the dates indicated:
| September 30, 2019
(In thousands) | Amortized Cost |  | Fair Value |  | Gross Unrealized Gains |  | Gross Unrealized Losses
Fixed-maturities available for sale: |  |  |  |  |  |  |
U.S. government and agency securities | $ | 176,682 |  |  | $ | 182,415 |  |  | $ | 5,839 |  |  | $ | 106 |
State and municipal obligations | 100,070 |  |  | 110,981 |  |  | 10,911 |  |  | — |
Corporate bonds and notes | 2,254,627 |  |  | 2,362,004 |  |  | 108,541 |  |  | 1,164 |
RMBS | 605,687 |  |  | 619,935 |  |  | 15,286 |  |  | 1,038 |
CMBS | 542,284 |  |  | 563,338 |  |  | 21,966 |  |  | 912 |
Other ABS | 718,854 |  |  | 717,986 |  |  | 2,394 |  |  | 3,262 |
Foreign government and agency securities | 5,089 |  |  | 5,182 |  |  | 93 |  |  | — |
Total securities available for sale, including loaned securities | 4,403,293 |  |  | 4,561,841 |  |  | $ | 165,030 |  |  | $ | 6,482 |
Less: loaned securities | 34,020 |  |  | 34,618 |  |  |  |  |
Total fixed-maturities available for sale | $ | 4,369,273 |  |  | $ | 4,527,223 |  |  |  |  |  |  |
| December 31, 2018
(In thousands) | Amortized Cost |  | Fair Value |  | Gross Unrealized Gains |  | Gross Unrealized Losses
Fixed-maturities available for sale: |  |  |  |  |  |  |
U.S. government and agency securities | $ | 85,532 |  |  | $ | 84,070 |  |  | $ | 46 |  |  | $ | 1,508 |
State and municipal obligations | 138,022 |  |  | 138,313 |  |  | 2,191 |  |  | 1,900 |
Corporate bonds and notes | 2,288,720 |  |  | 2,229,885 |  |  | 5,053 |  |  | 63,888 |
RMBS | 334,843 |  |  | 332,142 |  |  | 1,785 |  |  | 4,486 |
CMBS | 546,729 |  |  | 539,915 |  |  | 544 |  |  | 7,358 |
Other ABS | 712,748 |  |  | 704,662 |  |  | 814 |  |  | 8,900 |
Total securities available for sale, including loaned securities | 4,106,594 |  |  | 4,028,987 |  |  | $ | 10,433 |  |  | $ | 88,040 |
Less: loaned securities | 7,632 |  |  | 7,412 |  |  |  |  |
Total fixed-maturities available for sale | $ | 4,098,962 |  |  | $ | 4,021,575 |  |  |  |  |  |  |
Gross Unrealized Losses and Fair Value 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. Included in the amounts as of September 30, 2019 and December 31, 2018 are loaned securities under securities lending agreements that are classified as other assets in our condensed consolidated balance sheets, as further described below.
|  | September 30, 2019
($ 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 |  | 4 |  |  | $ | 68,719 |  |  | $ | 89 |  |  | 3 |  |  | $ | 9,051 |  |  | $ | 17 |  |  | 7 |  |  | $ | 77,770 |  |  | $ | 106 |
Corporate bonds and notes |  | 28 |  |  | 126,732 |  |  | 1,145 |  |  | 4 |  |  | 8,543 |  |  | 19 |  |  | 32 |  |  | 135,275 |  |  | 1,164 |
RMBS |  | 5 |  |  | 30,478 |  |  | 52 |  |  | 23 |  |  | 44,649 |  |  | 986 |  |  | 28 |  |  | 75,127 |  |  | 1,038 |
CMBS |  | 18 |  |  | 32,861 |  |  | 724 |  |  | 10 |  |  | 9,120 |  |  | 188 |  |  | 28 |  |  | 41,981 |  |  | 912 |
Other ABS |  | 60 |  |  | 257,688 |  |  | 1,003 |  |  | 40 |  |  | 155,904 |  |  | 2,259 |  |  | 100 |  |  | 413,592 |  |  | 3,262 |
Total |  | 115 |  |  | $ | 516,478 |  |  | $ | 3,013 |  |  | 80 |  |  | $ | 227,267 |  |  | $ | 3,469 |  |  | 195 |  |  | $ | 743,745 |  |  | $ | 6,482 |
|  | December 31, 2018
($ 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 |  | 2 |  |  | $ | 27,415 |  |  | $ | 796 |  |  | 8 |  |  | $ | 23,476 |  |  | $ | 712 |  |  | 10 |  |  | $ | 50,891 |  |  | $ | 1,508 |
State and municipal obligations |  | 12 |  |  | 41,263 |  |  | 955 |  |  | 16 |  |  | 39,982 |  |  | 945 |  |  | 28 |  |  | 81,245 |  |  | 1,900 |
Corporate bonds and notes |  | 330 |  |  | 1,208,430 |  |  | 36,284 |  |  | 126 |  |  | 601,533 |  |  | 27,604 |  |  | 456 |  |  | 1,809,963 |  |  | 63,888 |
RMBS |  | 15 |  |  | 92,315 |  |  | 782 |  |  | 28 |  |  | 77,395 |  |  | 3,704 |  |  | 43 |  |  | 169,710 |  |  | 4,486 |
CMBS |  | 62 |  |  | 328,696 |  |  | 3,973 |  |  | 33 |  |  | 125,728 |  |  | 3,385 |  |  | 95 |  |  | 454,424 |  |  | 7,358 |
Other ABS |  | 129 |  |  | 503,109 |  |  | 7,917 |  |  | 26 |  |  | 89,628 |  |  | 983 |  |  | 155 |  |  | 592,737 |  |  | 8,900 |
Total |  | 550 |  |  | $ | 2,201,228 |  |  | $ | 50,707 |  |  | 237 |  |  | $ | 957,742 |  |  | $ | 37,333 |  |  | 787 |  |  | $ | 3,158,970 |  |  | $ | 88,040 |
Although we held available for sale securities in an unrealized loss position as of September 30, 2019, we did not consider those securities to be other-than-temporarily impaired as of such date. For all investment categories, the unrealized losses of 12 months or greater duration as of September 30, 2019 were generally caused by interest rate or credit spread movements since the purchase date, and as such, we expect to recover the amortized cost basis of these securities. As of September 30, 2019, we did not have the intent to sell any available for sale 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 September 30, 2019. Other-than-temporary Impairment Activity. 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 no other-than-temporary impairment losses in earnings during the nine months ended September 30, 2019 and $1.7 million of other-than-temporary impairment losses in earnings for the nine months ended September 30, 2018. There were no other-than-temporary impairment losses recognized in accumulated other comprehensive income (loss) for those periods. Securities Lending Agreements We participate in a securities lending program whereby we loan certain securities in our investment portfolio to third-party borrowers for short periods of time. Although we report such securities at fair value within other assets in our condensed consolidated balance sheets, rather than within investments, the detailed information we provide in this Note 5 includes these securities. See Note 4 for additional detail on the loaned securities, and see Notes 2 and 6 of Notes to Consolidated Financial Statements in our 2018 Form 10-K for additional information about our accounting policies with respect to our securities lending agreements and the collateral requirements thereunder, respectively. All of our securities lending agreements are classified as overnight and revolving. Securities collateral on deposit with us from third-party borrowers totaling $32.3 million and $16.8 million as of September 30, 2019 and December 31, 2018, respectively, may not be transferred or re-pledged unless the third-party borrower is in default, and is therefore not reflected in our condensed consolidated financial statements. Net Gains (Losses) on Investments Net gains (losses) on investments consisted of:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Net realized gains (losses): |  |  |  |  |  |  |
Fixed-maturities available for sale (1) | $ | 4,401 |  |  | $ | (4,219 | ) |  | $ | 5,209 |  |  | $ | (9,030 | )
Trading securities | 19 |  |  | (260 | ) |  | (391 | ) |  | (910 | )
Equity securities | (28 | ) |  | (69 | ) |  | (708 | ) |  | 571 |
Other investments | 205 |  |  | 101 |  |  | 521 |  |  | 392 |
Net realized gains (losses) on investments | 4,597 |  |  | (4,447 | ) |  | 4,631 |  |  | (8,977 | )
Other-than-temporary impairment losses | — |  |  | (900 | ) |  | — |  |  | (1,744 | )
Net unrealized gains (losses) on investments | 4,419 |  |  | 1,405 |  |  | 33,005 |  |  | (17,132 | )
Total net gains (losses) on investments | $ | 9,016 |  |  | $ | (3,942 | ) |  | $ | 37,636 |  |  | $ | (27,853 | )
______________________ (1)Components of net realized gains (losses) on fixed-maturities available for sale include:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Gross investment gains from sales and redemptions | $ | 4,697 |  |  | $ | 814 |  |  | $ | 10,926 |  |  | $ | 1,831 |
Gross investment losses from sales and redemptions | (296 | ) |  | (5,033 | ) |  | (5,717 | ) |  | (10,861 | )
The net changes in unrealized gains (losses) recognized in earnings on investments that were still held at each period-end were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Net unrealized gains (losses) on investments still held: |  |  |  |  |  |  |
Trading securities | $ | 4,132 |  |  | $ | (2,581 | ) |  | $ | 18,962 |  |  | $ | (18,431 | )
Equity securities | 563 |  |  | 2,971 |  |  | 9,170 |  |  | 2,238 |
Other investments | 47 |  |  | 430 |  |  | (64 | ) |  | 655 |
Net unrealized gains (losses) on investments still held | $ | 4,742 |  |  | $ | 820 |  |  | $ | 28,068 |  |  | $ | (15,538 | )
Contractual Maturities The contractual maturities of fixed-maturities available for sale were as follows:
| September 30, 2019
| Available for Sale
(In thousands) | Amortized Cost |  | Fair Value
Due in one year or less (1) | $ | 132,819 |  |  | $ | 132,897 |
Due after one year through five years (1) | 885,660 |  |  | 903,546 |
Due after five years through 10 years (1) | 1,108,946 |  |  | 1,168,298 |
Due after 10 years (1) | 409,043 |  |  | 455,841 |
RMBS (2) | 605,687 |  |  | 619,935 |
CMBS (2) | 542,284 |  |  | 563,338 |
Other ABS (2) | 718,854 |  |  | 717,986 |
Total | 4,403,293 |  |  | 4,561,841 |
Less: loaned securities | 34,020 |  |  | 34,618 |
Total fixed-maturities available for sale | $ | 4,369,273 |  |  | $ | 4,527,223 |
______________________
(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 For the nine months ended September 30, 2019, we did not transfer any securities from the available for sale or trading categories. Our fixed-maturities available for sale include securities totaling $110.0 million and $88.4 million at September 30, 2019 and December 31, 2018, respectively, serving as collateral for our FHLB advances. See Note 11 for additional information about our FHLB advances. Our fixed-maturities available for sale include securities totaling $16.8 million and $17.6 million at September 30, 2019 and December 31, 2018, respectively, on deposit and serving as collateral with various state regulatory authorities.

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