Investment in Securities (Tables)

9 Months Ended

Sep. 30, 2020

Investment in Securities [Abstract]

Investments in Equity Securities

Investments in equity securities at September 30, 2020 and December 31, 2019 consisted of the following (in thousands):

	September 30, 2020				December 31, 2019
	Cost		Estimated Fair Value		Cost		Estimated Fair Value
Investments in equity securities:
Common stocks	$	40,012	$	13,645	$	41,226	$	26,463
Mutual Funds		756		960		755		752
Closed-end Funds		497		466		494		511
Total investments in equity securities	$	41,265	$	15,071	$	42,475	$	27,726

Investments in Debt Securities

Investments in debt securities at September 30, 2020 and December 31, 2019 consisted of the following (in thousands):

	September 30, 2020
	Amortized Cost		Gross Unrecognized Holding Gains		Gross Unrecognized Holding Losses		Estimated Fair Value
Investments in debt securities:
U.S. Treasury Bills	$	104,960	$	13	$	-	$	104,973
Total investments in debt securities	$	104,960	$	13	$	-	$	104,973

	December 31, 2019
	Amortized Cost		Gross Unrecognized Holding Gains		Gross Unrecognized Holding Losses		Estimated Fair Value
Investments in debt securities:
Foreign government obligations	$	6,547	$	-	$	-	$	6,547
Total investments in debt securities	$	6,547	$	-	$	-	$	6,547