Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]	0001084048 (http://www.sec.gov/CIK)
Long-term Debt, Type [Axis]	Long-term Debt, Type [Domain]

Debt Instrument [Line Items]	Period [Axis]
	2016-01-01 - 2016-12-31			2015-01-01 - 2015-12-31			2014-01-01 - 2014-12-31		2014-06-10	2012-07-26
	Debt Instrument [Axis]			Debt Instrument [Axis]			Debt Instrument [Axis]		Debt Instrument [Axis]	Debt Instrument [Axis]
	Senior Notes [Member]	Convertible Debt Securities [Member]	Debt Instrument, Name [Domain]	Senior Notes [Member]	Convertible Debt Securities [Member]	Debt Instrument, Name [Domain]	Convertible Debt Securities [Member]	Debt Instrument, Name [Domain]	Convertible Debt Securities [Member]	Debt Instrument, Name [Domain]
Interest Expense, Debt, Excluding Amortization		13,081,000			13,081,000		6,980,000
Debt Instrument, Issuance Date	2012-07-26	2014-06-10
Debt Instrument, Face Amount	250,000,000	402,500,000	652,500,000		402,500,000
Debt Instrument, Interest Rate, Stated Percentage	8.00%	3.25%
Debt Instrument, Maturity Date	2020-08-01	2029-06-15
Proceeds from Debt, Net of Issuance Costs	245,000,000	391,400,000
Debt Instrument, Unamortized Discount		40,356,000			48,064,000				59,000,000	5,000,000
Debt Instrument, Convertible, Remaining Discount Amortization Period		P4Y5M16D
Unamortized Debt Issuance Expense		(7,002,000)	(7,757,000)		(8,219,000)	(9,149,000)
Debt Instrument, Frequency of Periodic Payment	semi-annually	semiannually
Debt Instrument, Convertible, Carrying Amount of Equity Component		37,700,000			37,700,000				37,700,000
Debt Instrument, Call Date, Earliest	2016-08-01
Debt Instrument, Covenant Description	The indenture governing the Senior Notes contains certain restrictive and other covenants applicable to j2 Cloud Services and subsidiaries designated as restricted subsidiaries including, but not limited to, limitations on debt and disqualified or preferred stock, restricted payments, liens, sale and leaseback transactions, dividends and other payment restrictions, asset sales and transactions with affiliates.
Interest Expense		22,005,000	42,700,000		21,464,000	43,600,000	11,243,000	32,500,000
Long-term Debt		355,142,000	601,746,000		346,217,000	592,037,000
Long-term Debt, Gross	247,359,000	362,144,000		246,750,000	354,436,000
Long-term Debt, Current Maturities			0			0
Total long-term debt, less current portion			601,746,000			592,037,000
Long-term Debt, Fair Value	275,400,000	516,800,000	792,200,000	262,200,000	528,300,000	790,500,000
Amortization of Debt Discount (Premium)		7,707,000			7,274,000		3,712,000
Amortization of Debt Issuance Costs		1,217,000			1,109,000		551,000
Debt Instrument, Convertible, If-converted Value in Excess of Principal		75,200,000			76,200,000