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Investments | 6 Months Ended
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Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract] |
Investments | Investments Available-for-Sale Securities The following table provides the amortized cost and fair value of available-for-sale debt securities as of the dates presented (in thousands):
| June 30, 2024
| Amortized Cost |  | Allowance for Expected Credit Losses |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt Securities: |  |  |  |  |  |  |  |  |
U.S. government obligations and agencies | $ | 22,350 |  |  | $ | — |  |  | $ | 36 |  |  | $ | (794) |  |  | $ | 21,592 |
Corporate bonds | 888,118 |  |  | (617) |  |  | 533 |  |  | (64,038) |  |  | 823,996 |
Mortgage-backed and asset-backed securities | 380,581 |  |  | — |  |  | 1,029 |  |  | (34,479) |  |  | 347,131 |
Municipal bonds | 15,890 |  |  | (4) |  |  | — |  |  | (1,760) |  |  | 14,126 |
Redeemable preferred stock | 9,480 |  |  | (95) |  |  | 4 |  |  | (604) |  |  | 8,785 |
Total | $ | 1,316,419 |  |  | $ | (716) |  |  | $ | 1,602 |  |  | $ | (101,675) |  |  | $ | 1,215,630 |
| December 31, 2023
| Amortized Cost |  | Allowance for Expected Credit Losses |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Debt Securities: |  |  |  |  |  |  |  |  |
U.S. government obligations and agencies | $ | 23,886 |  |  | $ | — |  |  | $ | 49 |  |  | $ | (677) |  |  | $ | 23,258 |
Corporate bonds | 779,177 |  |  | (469) |  |  | 1,097 |  |  | (64,091) |  |  | 715,714 |
Mortgage-backed and asset-backed securities | 334,460 |  |  | — |  |  | 969 |  |  | (32,283) |  |  | 303,146 |
Municipal bonds | 15,916 |  |  | (4) |  |  | — |  |  | (1,873) |  |  | 14,039 |
Redeemable preferred stock | 9,480 |  |  | (93) |  |  | — |  |  | (1,214) |  |  | 8,173 |
Total | $ | 1,162,919 |  |  | $ | (566) |  |  | $ | 2,115 |  |  | $ | (100,138) |  |  | $ | 1,064,330 |
The following table provides the credit quality of available-for-sale debt securities with contractual maturities as of the dates presented (dollars in thousands):
|  | June 30, 2024 |  | December 31, 2023
Average Credit Ratings |  | Fair Value |  | % of Total Fair Value |  | Fair Value |  | % of Total Fair Value
AAA |  | $ | 372,446 |  |  | 30.6 | % |  | $ | 333,516 |  |  | 31.3 | %
AA |  | 144,142 |  |  | 11.9 | % |  | 128,249 |  |  | 12.0 | %
A |  | 411,218 |  |  | 33.8 | % |  | 356,090 |  |  | 33.5 | %
BBB |  | 283,267 |  |  | 23.3 | % |  | 245,823 |  |  | 23.1 | %
No Rating Available |  | 4,557 |  |  | 0.4 | % |  | 652 |  |  | 0.1 | %
Total |  | $ | 1,215,630 |  |  | 100.0 | % |  | $ | 1,064,330 |  |  | 100.0 | %
The table above includes credit quality ratings by Standard and Poor’s Rating Services, Inc. (“S&P”), Moody’s Investors Service, Inc. and Fitch Ratings, Inc. The Company has presented the highest rating of the three rating agencies for each investment position. The following table summarizes the amortized cost and fair value of mortgage-backed and asset-backed securities as of the dates presented (in thousands):
| June 30, 2024 |  | December 31, 2023
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Mortgage-backed securities: |  |  |  |  |  |  |
Agency | $ | 187,979 |  |  | $ | 165,097 |  |  | $ | 165,507 |  |  | $ | 145,686 |
Non-agency | 56,990 |  |  | 48,963 |  |  | 63,729 |  |  | 55,102 |
Asset-backed securities: |  |  |  |  |  |  |
Auto loan receivables | 66,262 |  |  | 65,805 |  |  | 53,686 |  |  | 52,869 |
Credit card receivables | 9,644 |  |  | 9,636 |  |  | 3,414 |  |  | 3,428 |
Other receivables | 59,706 |  |  | 57,630 |  |  | 48,124 |  |  | 46,061 |
Total | $ | 380,581 |  |  | $ | 347,131 |  |  | $ | 334,460 |  |  | $ | 303,146 |
The following tables summarize available-for-sale debt securities, aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position, for which no allowance for expected credit losses has been recorded as of the dates presented (in thousands):
|  | June 30, 2024
|  | Less Than 12 Months |  |  | 12 Months or Longer
|  |  | Fair Value |  | Unrealized Losses |  |  |  | Fair Value |  | Unrealized Losses
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
U.S. government obligations and agencies |  |  | $ | 6,660 |  |  | $ | (77) |  |  |  |  | $ | 12,090 |  |  | $ | (717) |
Corporate bonds |  |  | 6,680 |  |  | (92) |  |  |  |  | 343,383 |  |  | (35,984) |
Mortgage-backed and asset-backed securities |  |  | 68,579 |  |  | (1,055) |  |  |  |  | 197,283 |  |  | (33,424) |
Municipal bonds |  |  | 291 |  |  | (3) |  |  |  |  | 7,061 |  |  | (1,017) |
Redeemable preferred stock |  |  | — |  |  | — |  |  |  |  | 1,092 |  |  | (117) |
Total |  |  | $ | 82,210 |  |  | $ | (1,227) |  |  |  |  | $ | 560,909 |  |  | $ | (71,259) |
|  | December 31, 2023
|  | Less Than 12 Months |  |  | 12 Months or Longer
|  |  | Fair Value |  | Unrealized Losses |  |  |  | Fair Value |  | Unrealized Losses
Debt Securities: |  |  |  |  |  |  |  |  |  |  |
U.S. government obligations and agencies |  |  | $ | 9,045 |  |  | $ | (108) |  |  |  |  | $ | 6,811 |  |  | $ | (569) |
Corporate bonds |  |  | 1,387 |  |  | (9) |  |  |  |  | 365,893 |  |  | (37,088) |
Mortgage-backed and asset-backed securities |  |  | 18,150 |  |  | (316) |  |  |  |  | 216,220 |  |  | (31,967) |
Municipal bonds |  |  | 293 |  |  | (1) |  |  |  |  | 7,010 |  |  | (1,069) |
Redeemable preferred stock |  |  | 529 |  |  | (30) |  |  |  |  | 1,052 |  |  | (158) |
Total |  |  | $ | 29,404 |  |  | $ | (464) |  |  |  |  | $ | 596,986 |  |  | $ | (70,851) |
Unrealized losses on available-for-sale debt securities in the above table as of June 30, 2024 have not been recognized into income as credit losses because the issuers are of high credit quality (investment grade securities), management does not intend to sell nor does it believe it is more likely than not it will be required to sell the securities prior to their anticipated recovery, and the decline in fair value is largely due to changes in interest rates and other market conditions. There were no material factors impacting any one category or specific security requiring an accrual for credit loss. The issuers continue to make principal and interest payments on the bonds. The fair value is expected to recover as the bonds approach maturity. The following table presents a reconciliation of the beginning and ending balances for expected credit losses on available-for-sale debt securities (in thousands):
|  | Corporate Bonds |  |  |  | Municipal Bonds |  | Redeemable Preferred Stock |  | Total
Balance, December 31, 2022 |  | $ | 729 |  |  |  |  | $ | 2 |  |  | $ | 189 |  |  | $ | 920 |
Provision for (or reversal of) credit loss expense |  | (260) |  |  |  |  | 2 |  |  | (96) |  |  | (354) |
Balance, December 31, 2023 |  | 469 |  |  |  |  | 4 |  |  | 93 |  |  | 566 |
Provision for (or reversal of) credit loss expense |  | 148 |  |  |  |  | — |  |  | 2 |  |  | 150 |
Balance, June 30, 2024 |  | $ | 617 |  |  |  |  | $ | 4 |  |  | $ | 95 |  |  | $ | 716 |
Refer to “Part II—Item 8—Note 2 (Summary of Significant Accounting Policies)” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2023 for details of accounting policies and reporting in the consolidated financial statements associated with available-for-sale debt securities and allowance for credit losses. The following table presents the amortized cost and fair value of investments with maturities as of the date presented (in thousands):
| June 30, 2024
| Amortized Cost |  | Fair Value
Due in one year or less | $ | 110,996 |  |  | $ | 109,281 |
Due after one year through five years | 745,807 |  |  | 707,068 |
Due after five years through ten years | 427,102 |  |  | 371,633 |
Due after ten years | 29,012 |  |  | 24,332 |
Perpetual maturity securities | 3,502 |  |  | 3,316 |
Total | $ | 1,316,419 |  |  | $ | 1,215,630 |
All securities, except those with perpetual maturities, were categorized in the table above utilizing years to effective maturity. Effective maturity takes into consideration all forms of potential prepayment, such as call features or prepayment schedules, that shorten the lifespan of contractual maturity dates. The following table provides certain information related to available-for-sale debt securities and equity securities during the periods presented (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Proceeds from sales and maturities (fair value): |  |  |  |  |  |  |
Available-for-sale debt securities | $ | 28,717 |  |  | $ | 15,872 |  |  | $ | 65,265 |  |  | $ | 46,727 |
Equity securities | $ | 8,042 |  |  | $ | 34,444 |  |  | $ | 10,952 |  |  | $ | 37,233 |
Gross realized gains on sale of securities: |  |  |  |  |  |  |
Available-for-sale debt securities | $ | 580 |  |  | $ | — |  |  | $ | 585 |  |  | $ | 5 |
Equity securities | $ | 725 |  |  | $ | 1,498 |  |  | $ | 794 |  |  | $ | 1,552 |
Gross realized losses on sale of securities: |  |  |  |  |  |  |
Available-for-sale debt securities | $ | (489) |  |  | $ | (21) |  |  | $ | (563) |  |  | $ | (727) |
Equity securities | $ | (1,109) |  |  | $ | (595) |  |  | $ | (1,186) |  |  | $ | (736) |
The following table presents the components of net investment income, comprised primarily of interest and dividends, for the periods presented (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Available-for-sale debt securities | $ | 8,390 |  |  | $ | 5,927 |  |  | $ | 15,604 |  |  | $ | 11,797 |
Equity securities | 842 |  |  | 868 |  |  | 1,736 |  |  | 1,921 |
Cash and cash equivalents (1) | 5,885 |  |  | 4,949 |  |  | 11,708 |  |  | 9,152 |
Other (2) | 150 |  |  | 127 |  |  | 327 |  |  | 268 |
Total investment income | 15,267 |  |  | 11,871 |  |  | 29,375 |  |  | 23,138 |
Less: Investment expenses (3) | (607) |  |  | (589) |  |  | (1,192) |  |  | (1,158) |
Net investment income | $ | 14,660 |  |  | $ | 11,282 |  |  | $ | 28,183 |  |  | $ | 21,980 |
(1) |  |  | Includes interest earned on restricted cash and cash equivalents.
(2) |  |  | Includes investment income earned on real estate investments.
(3) |  |  | Includes custodial fees, investment accounting and advisory fees, and expenses associated with real estate investments.
Equity Securities The following table provides the unrealized gains and losses recognized for the periods presented on equity securities still held at the end of the reported period (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Unrealized gains (losses) recognized during the reported period on equity securities still held at the end of the reported period | $ | 980 |  |  | $ | (205) |  |  | $ | 3,885 |  |  | $ | 298 |
Investment Real Estate Investment real estate consisted of the following as of the dates presented (in thousands):
| June 30, |  | December 31,
| 2024 |  | 2023
Income Producing: |  |  |
Investment real estate | $ | 7,188 |  |  | $ | 7,097 |
Less: Accumulated depreciation | (1,665) |  |  | (1,572) |
Investment real estate, net | $ | 5,523 |  |  | $ | 5,525 |
The following table provides the depreciation expense related to investment real estate for the periods presented (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
Depreciation expense on investment real estate | $ | 47 |  |  | $ | 47 |  |  | $ | 93 |  |  | $ | 93 |
Other Investments The Company has an ownership interest in a limited partnership that is not registered or readily tradable on a securities exchange. This partnership is a private equity fund managed by a general partner who makes decisions with regard to financial policies and operations. As such, the Company is not the primary beneficiary and does not consolidate this partnership. Other investments consisted of the following as of the dates presented (in thousands):
|  | June 30, |  | December 31,
|  | 2024 |  | 2023
Investment in private equity limited partnership |  | $ | 10,434 |  |  | $ | 10,434 |
The limited partnership investment is subject to a contractual restriction on the transfer or sale by the Company prior to liquidation or dissolution of the partnership agreement by the general partner. This restriction lapses upon the dissolution of the partnership or upon the written consent of the general partner and its Board of Directors. The fair value of this investment was $10.4 million as of June 30, 2024 and December 31, 2023. The following table provides the unrealized gains (losses) recognized for the periods presented on investment in private equity limited partnership still held at the end of the reported period (in thousands):
|  | June 30, |  | December 31,
|  | 2024 |  | 2023
Unrealized gains (losses) recognized during the reported period on investment in private equity limited partnership still held at the end of the reported period |  | $ | — |  |  | $ | 5,640 |
For the quarter ended June 30, 2024, the Company recognized no net change in unrealized gain or loss on this investment which is recognized in net change in unrealized gains (losses) on investments in the Consolidated Statement of Income. At June 30, 2024 and December 31, 2023, the Company’s net cumulative contributed capital to the partnership was $4.8 million.

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