Investments (Tables)

6 Months Ended

Jun. 30, 2019

Investments [Abstract]

Schedule of Cost Method Investments

The following table summarizes the gross unrealized gains and losses and estimated fair values for the Company’s securities without a readily determinable fair value (in thousands):

	Cost		Impairment		Adjustments			Fair Value
June 30, 2019
Equity securities	$	34,977	$	—	$	(3,678	)	$	31,299
Total	$	34,977	$	—	$	(3,678	)	$	31,299
December 31, 2018
Equity securities	$	34,977	$	—	$	(3,678	)	$	31,299
Total	$	34,977	$	—	$	(3,678	)	$	31,299

Schedule of Available-for-sale Securities Reconciliation

 The following table summarizes the gross unrealized gains and losses and fair values for investments classified as available-for-sale investments (in thousands):

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
June 30, 2019
Corporate debt securities	$	23,256	$	84	$	(1,220	)	$	22,120
Total	$	23,256	$	84	$	(1,220	)	$	22,120
December 31, 2018
Corporate debt securities	$	23,256	$	21	$	(1,899	)	$	21,378
Total	$	23,256	$	21	$	(1,899	)	$	21,378

Investments Classified by Contractual Maturity Date

The following table summarizes J2 Global’s corporate debt securities designated as available-for-sale, classified by the contractual maturity date of the security (in thousands):

	June 30, 2019		December 31, 2018
Due within 1 year	$	—	$	—
Due within more than 1 year but less than 5 years	22,120		21,378
Due within more than 5 years but less than 10 years	—		—
Due 10 years or after	—		—
Total	$	22,120	$	21,378

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value

The following tables present gross unrealized losses and fair values for those investments that were in an unrealized loss position as of June 30, 2019 and December 31, 2018, aggregated by investment category and the length of time that individual securities have been in a continuous loss position (in thousands):

	As of June 30, 2019
	Less than 12 Months					12 Months or Greater					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Corporate debt securities	$	—	$	—		$	21,525	$	(1,220	)	$	21,525	$	(1,220	)
Total	$	—	$	—		$	21,525	$	(1,220	)	$	21,525	$	(1,220	)
	As of December 31, 2018
	Less than 12 Months					12 Months or Greater					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Corporate debt securities	$	20,846	$	(1,899	)	$	—	$	—		$	20,846	$	(1,899	)
Total	$	20,846	$	(1,899	)	$	—	$	—		$	20,846	$	(1,899	)

Equity Method Investments

The following table discloses the carrying amount for the Company’s equity method investment (in thousands):

	June 30, 2019		December 31, 2018
Equity securities	$	50,583	$	31,151
Maximum exposure to loss	$	50,583	$	31,151