LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consists of:

	December 31,
	2018		2017
	(In thousands)
MTCH Debt:
MTCH Term Loan due November 16, 2022	$	425,000	$	425,000
MTCH Credit Facility due December 7, 2023	260,000		—
6.375% Senior Notes due June 1, 2024 (the "6.375% MTCH Senior Notes"); interest payable each June 1 and December 1	400,000		400,000
5.00% Senior Notes due December 15, 2027 (the "5.00% MTCH Senior Notes"); interest payable each June 15 and December 15	450,000		450,000
Total MTCH long-term debt	1,535,000		1,275,000
Less: unamortized original issue discount	7,352		8,668
Less: unamortized debt issuance costs	11,737		13,636
Total MTCH debt, net	1,515,911		1,252,696
ANGI Debt:
ANGI Term Loan due November 5, 2023	261,250		275,000
Less: current portion of ANGI Term Loan	13,750		13,750
Less: unamortized debt issuance costs	2,529		2,938
Total ANGI debt, net	244,971		258,312
IAC Debt:
0.875% Exchangeable Senior Notes due October 1, 2022 (the "Exchangeable Notes"); interest payable each April 1 and October 1	517,500		517,500
4.75% Senior Notes due December 15, 2022 (the "4.75% Senior Notes"); interest payable each June 15 and December 15	34,489		34,859
Total IAC long-term debt	551,989		552,359
Less: unamortized original issue discount	54,025		67,158
Less: unamortized debt issuance costs	13,298		16,740
Total IAC debt, net	484,666		468,461
Total long-term debt, net	$	2,245,548	$	1,979,469

Schedule of Debt Instrument Redemption

Thereafter, these notes may be redeemed at the redemption prices set forth below, together with accrued and unpaid interest thereon to the applicable redemption date, if redeemed during the twelve-month period beginning on December 15 of the years indicated below:

Year	Percentage
2022	102.500	%
2023	101.667	%
2024	100.833	%
2025 and thereafter	100.000	%

Thereafter, these notes may be redeemed at the redemption prices set forth below, together with accrued and unpaid interest thereon to the applicable redemption date, if redeemed during the twelve-month period beginning on June 1 of the years indicated below:

Year	Percentage
2019	104.781	%
2020	103.188	%
2021	101.594	%
2022 and thereafter	100.000	%

Schedule of Aggregate Contractual Maturities of Long-term Debt

Long-term debt maturities:

Years Ending December 31,	(In thousands)
2019	$	13,750
2020	13,750
2021	13,750
2022	1,004,489
2023	452,500
2024	400,000
2027	450,000
Total	2,348,239
Less: current portion of long-term debt	13,750
Less: unamortized original issue discount	61,377
Less: unamortized debt issuance costs	27,564
Total long-term debt, net	$	2,245,548