Investment Securities and Certificates of Deposit (Tables)

6 Months Ended

Jun. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Unrealized Gain (Loss) on Investments

The Company's Investment Securities and Certificates of Deposit as of June 30, 2020 and December 31, 2019 were as follows:

	June 30, 2020								December 31, 2019
	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Debt Securities	$	991	$	8	$	—	$	999	$	114,204	$	591	$	11	$	114,784
Equity Securities	666		—		414		252		666		—		168		498
Debt Securities Carried by Broker-Dealers	4,231		32		—		4,263		225,727		1,648		20		227,355
Investment Funds	92,964		3,145		1,896		94,213		58,704		7,809		—		66,513
Total Investment Securities (carried at fair value)	$	98,852	$	3,185	$	2,310	$	99,727	$	399,301	$	10,048	$	199	$	409,150
Certificates of Deposit (carried at contract value)							—								214,796
Total Investment Securities and Certificates of Deposit							$	99,727							$	623,946

Investments Classified by Contractual Maturity Date

Scheduled maturities of the Company's available-for-sale debt securities as of June 30, 2020 and December 31, 2019 were as follows:

	June 30, 2020				December 31, 2019
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	991	$	999	$	108,662	$	109,217
Due after one year through five years	—		—		5,542		5,567
Total	$	991	$	999	$	114,204	$	114,784