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Investments (Tables) | 12 Months Ended
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Dec. 31, 2018
Schedule of Investments Debt and Equity Securities [Line Items] |
Schedule of AFS Securities Reconciliation | The period-end cost or amortized cost, gross unrealized gains and losses, and fair value of AFS fixed-maturity and equity securities were as follows:
|  | December 31, 2018 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
|  | (In thousands) |
Securities available-for-sale, carried at fair value: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 12,115 |  |  | $ | 176 |  |  | $ | (58 | ) |  | $ | 12,233 |
Foreign government |  |  | 155,723 |  |  |  | 3,347 |  |  |  | (958 | ) |  |  | 158,112 |
States and political subdivisions |  |  | 59,075 |  |  |  | 1,202 |  |  |  | (271 | ) |  |  | 60,006 |
Corporates |  |  | 1,447,075 |  |  |  | 11,916 |  |  |  | (24,773 | ) |  |  | 1,434,218 |
Residential mortgage-backed securities |  |  | 191,245 |  |  |  | 2,439 |  |  |  | (1,733 | ) |  |  | 191,951 |
Commercial mortgage-backed securities |  |  | 131,279 |  |  |  | 1,712 |  |  |  | (1,636 | ) |  |  | 131,355 |
Other asset-backed securities |  |  | 82,310 |  |  |  | 205 |  |  |  | (755 | ) |  |  | 81,760 |
Total fixed-maturity securities(1) |  |  | 2,078,822 |  |  |  | 20,997 |  |  |  | (30,184 | ) |  |  | 2,069,635 |
Short-term investments |  |  | 8,171 |  |  |  | - |  |  |  | - |  |  |  | 8,171 |
Total fixed-maturity and short-term investments |  | $ | 2,086,993 |  |  | $ | 20,997 |  |  | $ | (30,184 | ) |  | $ | 2,077,806 |
(1) | Includes $0.1 million of OTTI losses related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income (loss).
|  | December 31, 2017 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
|  | (In thousands) |
Securities available-for-sale, carried at fair value: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 11,577 |  |  | $ | 283 |  |  | $ | (47 | ) |  | $ | 11,813 |
Foreign government |  |  | 139,486 |  |  |  | 5,651 |  |  |  | (648 | ) |  |  | 144,489 |
States and political subdivisions |  |  | 54,714 |  |  |  | 1,554 |  |  |  | (141 | ) |  |  | 56,127 |
Corporates |  |  | 1,337,321 |  |  |  | 42,616 |  |  |  | (3,655 | ) |  |  | 1,376,282 |
Residential mortgage-backed securities |  |  | 119,672 |  |  |  | 3,583 |  |  |  | (297 | ) |  |  | 122,958 |
Commercial mortgage-backed securities |  |  | 134,003 |  |  |  | 2,299 |  |  |  | (910 | ) |  |  | 135,392 |
Other asset-backed securities |  |  | 80,553 |  |  |  | 452 |  |  |  | (224 | ) |  |  | 80,781 |
Total fixed-maturity securities(1) |  |  | 1,877,326 |  |  |  | 56,438 |  |  |  | (5,922 | ) |  |  | 1,927,842 |
Equity securities |  |  | 31,331 |  |  |  | 9,796 |  |  |  | (20 | ) |  |  | 41,107 |
Total fixed-maturity and equity securities |  | $ | 1,908,657 |  |  | $ | 66,234 |  |  | $ | (5,942 | ) |  | $ | 1,968,949 |
(1) | Includes $0.2 million of OTTI losses related to corporates and mortgage- and asset-backed securities recognized in accumulated other comprehensive income (loss).
Fixed-maturity Securities Classified by Contractual Maturity Securities Date | The scheduled maturity distribution of the AFS fixed-maturity securities portfolio at December 31, 2018 was as follows:
|  | Amortized cost |  |  | Fair value |  |
|  | (In thousands) |  |
Due in one year or less |  | $ | 221,508 |  |  | $ | 222,803 |  |
Due after one year through five years |  |  | 871,181 |  |  |  | 867,564 |  |
Due after five years through 10 years |  |  | 529,167 |  |  |  | 519,647 |  |
Due after 10 years |  |  | 52,132 |  |  |  | 54,555 |  |
|  |  | 1,673,988 |  |  |  | 1,664,569 |  |
Mortgage- and asset-backed securities |  |  | 404,834 |  |  |  | 405,066 |  |
Total AFS fixed-maturity securities |  | $ | 2,078,822 |  |  | $ | 2,069,635 |  |
Net Effect on Stockholders' Equity of Unrealized Gains and Losses on AFS Securities | The net effect on stockholders’ equity of unrealized gains and losses on AFS securities was as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |  |
|  | (In thousands) |  |
Net unrealized investment gains on available-for-sale securities including OTTI: |  |  |  |  |  |  |  |  |
Available-for-sale securities |  | $ | (9,187 | ) |  | $ | 60,292 |  | (1)
OTTI |  |  | 147 |  |  |  | 174 |  |
Net unrealized investment gains on available-for-sale securities excluding OTTI |  |  | (9,040 | ) |  |  | 60,466 |  |
Deferred income taxes |  |  | 1,787 |  |  |  | (20,780 | ) |
Net unrealized investment gains on available-for-sale securities excluding OTTI, net of tax |  | $ | (7,253 | ) |  | $ | 39,686 |  |
(1) | Includes $9.8 million of net unrealized gains for equity securities recognized in accumulated other comprehensive income (loss) prior to the adoption of ASU 2016-01.
Costs and Fair Values of Fixed-Maturity and Equity Securities Classified as Trading Securities | The costs and fair values of the fixed-maturity and equity securities classified as trading securities were as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |
|  | Cost |  |  | Fair value |  |  | Cost |  |  | Fair value |
|  | (In thousands) |
Fixed-maturity securities |  | $ | 13,597 |  |  | $ | 13,610 |  |  | $ | 4,801 |  |  | $ | 4,800 |
Equity securities(1) |  |  | - |  |  |  | - |  |  |  | 1,371 |  |  |  | 1,428 |
Total trading securities |  | $ | 13,597 |  |  | $ | 13,610 |  |  | $ | 6,172 |  |  | $ | 6,228 |
(1) | Equity securities, previously classified as trading securities, are no longer classified as trading securities due to the adoption of ASU 2016-01. As of December 31, 2018, all equity security investments held by the Company are presented in the consolidated balance sheet as equity securities.
Net Investment Income | Investment Income. The components of net investment income were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Fixed-maturity securities (available-for-sale) |  | $ | 79,356 |  |  | $ | 76,877 |  |  | $ | 74,673 |
Fixed-maturity security (held-to-maturity) |  |  | 37,485 |  |  |  | 26,865 |  |  |  | 18,880 |
Equity securities |  |  | 1,955 |  |  |  | 2,095 |  |  |  | 2,053 |
Policy loans and other invested assets |  |  | 1,670 |  |  |  | 1,413 |  |  |  | 1,340 |
Cash and cash equivalents |  |  | 2,922 |  |  |  | 1,123 |  |  |  | 632 |
Total return on deposit asset underlying 10% coinsurance agreement(1) |  |  | 3,643 |  |  |  | 2,970 |  |  |  | 5,212 |
Gross investment income |  |  | 127,031 |  |  |  | 111,343 |  |  |  | 102,790 |
Investment expenses |  |  | (8,116 | ) |  |  | (5,461 | ) |  |  | (4,885 | )
Investment income net of investment expenses |  |  | 118,915 |  |  |  | 105,882 |  |  |  | 97,905 |
Interest expense on surplus note |  |  | (37,485 | ) |  |  | (26,865 | ) |  |  | (18,880 | )
Net investment income |  | $ | 81,430 |  |  | $ | 79,017 |  |  | $ | 79,025 |
(1) | Includes $1.7 million of net losses recognized for the change in fair value of the deposit asset underlying the 10% coinsurance agreement for the year ended December 31, 2018. The change in fair value of the deposit asset underlying the 10% coinsurance agreement for the years ended December 31, 2017 and 2016 was not material.
Schedule of Net Realized Investment Gains and Losses | The components of net realized investment gains (losses), as well as details on gross realized investment gains and (losses) were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Net realized investment gains (losses): |  |  |  |  |  |  |  |  |  |  |  |
Gross gains from sales of available-for-sale securities |  | $ | 1,162 |  |  | $ | 3,249 |  |  | $ | 8,126 |
Gross losses from sales of available-for-sale securities |  |  | (965 | ) |  |  | (107 | ) |  |  | (751 | )
OTTI losses of available-for-sale securities |  |  | (152 | ) |  |  | (1,553 | ) |  |  | (3,420 | )
Net gains (losses) recognized in net income during the period on equity securities |  |  | (2,456 | ) |  |  | - |  |  |  | - |
Gains (losses) from bifurcated options |  |  | 290 |  |  |  | (250 | ) |  |  | 133 |
Net realized investment gains (losses) |  | $ | (2,121 | ) |  | $ | 1,339 |  |  | $ | 4,088 |
Schedule of Proceeds from Sales or Other Redemptions of Available-for-Sale Securities | The proceeds from sales or other redemptions of available-for-sale securities were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Proceeds from sales or other redemptions |  | $ | 414,138 |  |  | $ | 306,303 |  |  | $ | 354,823 |
Schedule of Unrealized Net Gains (Losses) Recognized in NI on Equity Securities Still Held at Period-End | The components of net gains (losses) recognized in net income on equity securities still held as of period-end were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Net gains (losses) recognized on equity securities |  | $ | (2,456 | ) |  | $ | - |  |  | $ | - |
Less: Net gains (losses) recognized on equity securities sold |  |  | (48 | ) |  |  | - |  |  |  | - |
Net gains (losses) recognized in net income on equity securities still held as of period-end |  | $ | (2,408 | ) |  | $ | - |  |  | $ | - |
Schedule of Securities in Unrealized Loss Position | The following tables summarize, for all AFS securities in an unrealized loss position, the aggregate fair value and the gross unrealized loss by length of time such securities have continuously been in an unrealized loss position:
|  | December 31, 2018 |
|  | Less than 12 months |  |  | 12 months or longer |
|  | Fair value |  |  | Unrealized losses |  |  | Number of securities |  |  | Fair value |  |  | Unrealized losses |  |  | Number of securities |
|  | (Dollars in thousands) |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 1,668 |  |  | $ | (10 | ) |  |  | 1 |  |  | $ | 4,541 |  |  | $ | (48 | ) |  |  | 6 |
Foreign government |  |  | 7,326 |  |  |  | (170 | ) |  |  | 7 |  |  |  | 52,086 |  |  |  | (788 | ) |  |  | 54 |
States and political subdivisions |  |  | 2,644 |  |  |  | (9 | ) |  |  | 3 |  |  |  | 23,324 |  |  |  | (262 | ) |  |  | 20 |
Corporates |  |  | 489,880 |  |  |  | (10,649 | ) |  |  | 396 |  |  |  | 360,516 |  |  |  | (14,124 | ) |  |  | 321 |
Residential mortgage-backed securities |  |  | 32,725 |  |  |  | (86 | ) |  |  | 14 |  |  |  | 71,308 |  |  |  | (1,647 | ) |  |  | 41 |
Commercial mortgage-backed securities |  |  | 31,129 |  |  |  | (173 | ) |  |  | 20 |  |  |  | 78,911 |  |  |  | (1,463 | ) |  |  | 77 |
Other asset-backed securities |  |  | 19,363 |  |  |  | (184 | ) |  |  | 35 |  |  |  | 33,989 |  |  |  | (571 | ) |  |  | 41 |
Total fixed-maturity securities |  | $ | 584,735 |  |  | $ | (11,281 | ) |  |  |  |  |  | $ | 624,675 |  |  | $ | (18,903 | ) |  |  |  |
|  | December 31, 2017 |
|  | Less than 12 months |  |  | 12 months or longer |
|  | Fair value |  |  | Unrealized losses |  |  | Number of securities |  |  | Fair value |  |  | Unrealized losses |  |  | Number of securities |
|  | (Dollars in thousands) |
Fixed-maturity securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and agencies |  | $ | 4,754 |  |  | $ | (34 | ) |  |  | 5 |  |  | $ | 2,975 |  |  | $ | (13 | ) |  |  | 3 |
Foreign government |  |  | 40,287 |  |  |  | (465 | ) |  |  | 45 |  |  |  | 7,102 |  |  |  | (183 | ) |  |  | 7 |
States and political subdivisions |  |  | 7,369 |  |  |  | (43 | ) |  |  | 7 |  |  |  | 6,267 |  |  |  | (98 | ) |  |  | 7 |
Corporates |  |  | 247,613 |  |  |  | (2,323 | ) |  |  | 216 |  |  |  | 39,767 |  |  |  | (1,332 | ) |  |  | 43 |
Residential mortgage-backed securities |  |  | 33,610 |  |  |  | (263 | ) |  |  | 16 |  |  |  | 2,592 |  |  |  | (34 | ) |  |  | 8 |
Commercial mortgage-backed securities |  |  | 60,116 |  |  |  | (394 | ) |  |  | 52 |  |  |  | 22,149 |  |  |  | (516 | ) |  |  | 25 |
Other asset-backed securities |  |  | 32,605 |  |  |  | (121 | ) |  |  | 33 |  |  |  | 14,819 |  |  |  | (103 | ) |  |  | 19 |
Total fixed-maturity securities |  |  | 426,354 |  |  |  | (3,643 | ) |  |  |  |  |  |  | 95,671 |  |  |  | (2,279 | ) |  |  |  |
Equity securities |  |  | 1,076 |  |  |  | (16 | ) |  |  | 4 |  |  |  | 170 |  |  |  | (4 | ) |  |  | 2 |
Total fixed-maturity and equity securities |  | $ | 427,430 |  |  | $ | (3,659 | ) |  |  |  |  |  | $ | 95,841 |  |  | $ | (2,283 | ) |  |  |  |
Amortized Cost and Fair Value of AFS Fixed-maturity Securities in Default | The amortized cost and fair value of AFS fixed-maturity securities in default were as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |
|  | Amortized cost |  |  | Fair value |  |  | Amortized cost |  |  | Fair value |
|  | (In thousands) |
Fixed-maturity securities in default |  | $ | 3 |  |  | $ | 227 |  |  | $ | 503 |  |  | $ | 654 |
OTTI in Earnings on AFS Securities | OTTI recognized in earnings on AFS securities were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
OTTI on fixed-maturity securities not in default |  | $ | 152 |  |  | $ | 1,001 |  |  | $ | 3,257 |
OTTI on fixed-maturity securities in default |  |  | - |  |  |  | 267 |  |  |  | 121 |
OTTI on equity securities(1) |  |  | - |  |  |  | 285 |  |  |  | 42 |
Total OTTI recognized in earnings |  | $ | 152 |  |  | $ | 1,553 |  |  | $ | 3,420 |
(1) | Subsequent to the adoption of ASU 2016-01 all changes in the fair value of equity securities are recognized in net income and thus OTTI no longer applies to equity securities.
Schedule of OTTI Recognized in Earnings for AFS Securities | The rollforward of the OTTI recognized in net income for all AFS fixed-maturity securities still held was as follows:
|  | Year ended December 31, |  |
|  | 2018 |  |  | 2017 |  |
|  | (In thousands)
Cumulative OTTI recognized in net income for securities still held, beginning of period |  | $ | 4,346 |  |  | $ | 5,774 |  |
Additions for securities where no OTTI were recognized prior to the beginning of the period |  |  | - |  |  |  | 351 |  |
Additions for securities where OTTI have been recognized prior to the beginning of the period |  |  | 152 |  |  |  | 917 |  |
Reductions due to sales, maturities, calls, amortization or increases in cash flows expected to be collected over the remaining life of credit-impaired securities |  |  | (1,987 | ) |  |  | (1,513 | ) |
Reductions for exchanges of securities previously impaired |  |  | - |  |  |  | (1,183 | ) |
Cumulative OTTI recognized in net income for securities still held, end of period |  | $ | 2,511 |  |  | $ | 4,346 |  |
AFS [Member] |
Schedule of Investments Debt and Equity Securities [Line Items] |
Schedule of OTTI Recognized in Earnings for AFS Securities | OTTI recognized in earnings for AFS securities were as follows:
|  | Year ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (In thousands) |
Total OTTI related to securities which the Company does not intend to sell or more-likely-than-not will not be required to sell: |  |  |  |  |  |  |  |  |  |  |  |
Total OTTI losses recognized |  | $ | 152 |  |  | $ | 1,476 |  |  | $ | 1,486 |
Less portion of OTTI recognized in accumulated other comprehensive income (loss) |  |  | - |  |  |  | 147 |  |  |  | - |
OTTI recognized in earnings for securities which the Company does not intend to sell or more-likely than-not will not be required to sell before recovery |  |  | 152 |  |  |  | 1,329 |  |  |  | 1,486 |
OTTI recognized in earnings for securities which the Company intends to sell or more-likely-than-not will be required to sell before recovery |  |  | - |  |  |  | 224 |  |  |  | 1,934 |
OTTI recognized in earnings |  | $ | 152 |  |  | $ | 1,553 |  |  | $ | 3,420 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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- Details
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