| Unrealized Gain (Loss) on Investments |
The Company's Investment Securities and Certificates of Deposit as of September 30, 2019 and December 31, 2018 were as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2019 | | December 31, 2018 | | Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | Debt Securities | $ | 114,361 |
| | $ | 93 |
| | $ | — |
| | $ | 114,454 |
| | $ | 1,622 |
| | $ | 10 |
| | $ | — |
| | $ | 1,632 |
| Equity Securities | 666 |
| | — |
| | 188 |
| | 478 |
| | 666 |
| | — |
| | 410 |
| | 256 |
| Debt Securities Carried by Broker-Dealers | 228,184 |
| | 1,500 |
| | 3 |
| | 229,681 |
| | 147,009 |
| | 954 |
| | — |
| | 147,963 |
| Investment Funds | 60,172 |
| | 3,454 |
| | — |
| | 63,626 |
| | 56,296 |
| | 402 |
| | 1,922 |
| | 54,776 |
| Total Investment Securities (carried at fair value) | $ | 403,383 |
| | $ | 5,047 |
| | $ | 191 |
| | $ | 408,239 |
| | $ | 205,593 |
| | $ | 1,366 |
| | $ | 2,332 |
| | $ | 204,627 |
| | | | | | | | | | | | | | | | | Certificates of Deposit (carried at contract value) | | 211,861 |
| | | | | | | | 100,000 |
| | | | | | | | | | | | | | | | | Total Investment Securities and Certificates of Deposit | | $ | 620,100 |
| | | | | | | | $ | 304,627 |
|
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| Investments Classified by Contractual Maturity Date |
Scheduled maturities of the Company's available-for-sale debt securities as of September 30, 2019 and December 31, 2018 were as follows: | | | | | | | | | | | | | | | | | | September 30, 2019 | | December 31, 2018 | | Amortized Cost | | Fair Value | | Amortized Cost | | Fair Value | Due within one year | $ | 112,945 |
| | $ | 113,000 |
| | $ | 391 |
| | $ | 391 |
| Due after one year through five years | 1,416 |
| | 1,454 |
| | 1,231 |
| | 1,241 |
| Total | $ | 114,361 |
| | $ | 114,454 |
| | $ | 1,622 |
| | $ | 1,632 |
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