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Investments (Tables)
3 Months Ended
Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Cost or Amortized Cost and Fair Value of Securities Available for Sale
The following table provides the amortized cost and fair value of available-for-sale debt securities as of the dates presented (in thousands):
March 31, 2022
Amortized
Cost
Allowance for Expected Credit LossesGross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Debt Securities:
  U.S. government obligations and agencies$22,380 $— $— $(719)$21,661 
  Corporate bonds722,680 (456)111 (52,427)669,908 
  Mortgage-backed and asset-backed securities323,684 — 38 (22,200)301,522 
  Municipal bonds14,924 — — (1,405)13,519 
  Redeemable preferred stock8,770 (116)— (587)8,067 
Total$1,092,438 $(572)$149 $(77,338)$1,014,677 

December 31, 2021
Amortized
Cost
Allowance for Expected Credit LossesGross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Value
Debt Securities:
  U.S. government obligations and agencies$27,076 $— $64 $(334)$26,806 
  Corporate bonds687,058 (371)843 (13,725)673,805 
  Mortgage-backed and asset-backed securities322,844 — 194 (6,920)316,118 
  Municipal bonds14,925 (1)— (350)14,574 
  Redeemable preferred stock9,289 (117)28 (48)9,152 
Total$1,061,192 $(489)$1,129 $(21,377)$1,040,455 
Schedule of Credit Quality of Investment Securities
The following table provides the credit quality of available-for-sale debt securities with contractual maturities as of the dates presented (dollars in thousands):
March 31, 2022December 31, 2021
Average Credit RatingsFair Value% of Total
 Fair Value
Fair Value% of Total
 Fair Value
AAA$309,960 30.5 %$321,975 31.0 %
AA139,554 13.8 %139,186 13.4 %
A330,751 32.6 %339,500 32.6 %
BBB227,901 22.5 %234,358 22.5 %
No Rating Available6,511 0.6 %5,436 0.5 %
   Total$1,014,677 100.0 %$1,040,455 100.0 %
Schedule of Amortized Cost and Fair Value on Mortgage-Backed and Asset-Backed Securities
The following table summarizes the amortized cost and fair value of mortgage-backed and asset-backed securities as of the dates presented (in thousands):
March 31, 2022December 31, 2021
Amortized
Cost
Fair ValueAmortized
Cost
Fair Value
Mortgage-backed securities:
Agency$146,674 $134,111 $147,992 $143,819 
Non-agency60,719 55,096 59,906 58,263 
Asset-backed securities:
Auto loan receivables68,485 66,410 67,352 66,877 
Credit card receivables4,711 4,668 4,741 4,719 
Other receivables43,095 41,237 42,853 42,440 
Total$323,684 $301,522 $322,844 $316,118 
Schedule of Fair Value and Gross Unrealized Losses on Securities Available for Sale
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):
March 31, 2022
Less Than 12 Months12 Months or Longer
Number of
Issues
Fair ValueUnrealized
Losses
Number of
Issues
Fair ValueUnrealized
Losses
Debt Securities:
U.S. government obligations and agencies$11,549 $(63)$10,112 $(656)
Corporate bonds188 253,022 (16,821)95 118,710 (12,044)
Mortgage-backed and asset-backed securities118 156,773 (7,653)70 138,894 (14,547)
Municipal bonds9,988 (932)3,531 (473)
Redeemable preferred stock1,270 (122)— — — 
Total321 $432,602 $(25,591)171 $271,247 $(27,720)

December 31, 2021
Less Than 12 Months12 Months or Longer
Number of
Issues
Fair ValueUnrealized
Losses
Number of
Issues
Fair ValueUnrealized
Losses
Debt Securities:
U.S. government obligations and agencies$18,913 $(111)$5,016 $(223)
Corporate bonds249 378,595 (7,468)18 17,356 (679)
Mortgage-backed and asset-backed securities145 274,883 (5,969)11 23,273 (951)
Municipal bonds9,811 (269)— — — 
Redeemable preferred stock200 (1)— — — 
Total404 $682,402 $(13,818)33 $45,645 $(1,853)
Schedule of Debt Securities, Available-for-sale, Allowance for Credit Loss
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 BondsMunicipal BondsRedeemable
 Preferred Stock
Total
Balance, December 31, 2020$148 $— $38 $186 
Provision for (or reversal of) credit loss expense223 79 303 
Balance, December 31, 2021371 117 489 
Provision for (or reversal of) credit loss expense85 (1)(1)83 
Balance, March 31, 2022$456 $— $116 $572 
Schedule of Amortized Cost and Fair Value of Investments With Contractual Maturities
The following table presents the amortized cost and fair value of investments with maturities as of the date presented (in thousands):
March 31, 2022
Amortized CostFair Value
Due in one year or less$53,698 $53,176 
Due after one year through five years504,075 475,424 
Due after five years through ten years501,063 455,448 
Due after ten years31,710 28,916 
Perpetual maturity securities1,892 1,713 
Total$1,092,438 $1,014,677 
Schedule of Securities Available for Sale
The following table provides certain information related to available-for-sale debt securities, equity securities and investment in real estate during the periods presented (in thousands):
Three Months Ended
March 31,
20222021
Proceeds from sales and maturities (fair value):
  Available-for-sale debt securities $25,306 $52,633 
  Equity securities$14,932 $1,576 
Gross realized gains on sale of securities:
  Available-for-sale debt securities $$122 
  Equity securities$324 $343 
Gross realized losses on sale of securities:
  Available-for-sale debt securities$(270)$(324)
  Equity securities$(2)$— 
Realized gains on sales of investment real estate (1)$— $401 
(1)
During the first quarter of 2021, the Company completed the sale of a non-income producing investment real estate property. The Company received net cash proceeds of approximately $2.6 million and recognized a pre-tax gain of approximately $0.4 million that is included in net realized gains (losses) on investments in the Condensed Consolidated Statements of Income for the three months ended March 31, 2021.
Schedule of Investment Income (Expense) Comprised Primarily of Interest and Dividends
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
March 31,
20222021
Available-for-sale debt securities$4,067 $2,829 
Equity securities535 591 
Cash and cash equivalents (1)22 11 
Other (2)128 268 
  Total investment income4,752 3,699 
Less: Investment expenses (3)(710)(713)
  Net investment income$4,042 $2,986 
(1)
Includes interest earned on restricted cash and cash equivalents.
(2)
Includes investment income earned on real estate investments.
(3)
Includes custodial fees, investment accounting and advisory fees, and expenses associated with real estate investments.
Schedule of Details on Realized and Unrealized Gains and Losses Related to Equity Securities
The following table provides the unrealized gains and losses recognized for the periods presented on equity securities still held at the end of the reported period (in thousands):
Three Months Ended
March 31,
20222021
Unrealized gains (losses) recognized during the reported period on equity securities still held at the end of the reported period$(3,353)$(519)
Schedule of Real Estate Investment
Investment real estate consisted of the following as of the dates presented (in thousands):
March 31,December 31,
20222021
Income Producing:
Investment real estate$7,091 $7,091 
Less: Accumulated depreciation(1,246)(1,200)
Investment real estate, net$5,845 $5,891 
Schedule of Depreciation Expense Related to Investment Real Estate
The following table provides the depreciation expense related to investment real estate for the periods presented (in thousands):
Three Months Ended
March 31,
 20222021
Depreciation expense on investment real estate$46 $46