Condensed Consolidated Statement Of Changes In Equity - USD ($)		Common And Treasury Stock [Member]	Treasury Stock [Member]	Number Of Shares, Net Of Treasury [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]		Accumulated Other Comprehensive (Loss) Income [Member]		Total Net1 Equity [Member]		Non-Controlling Interest [Member]	Total
Balance, Number of Shares at Jun. 30, 2017		81,261,029	(24,891,292)	56,369,737
Balance at Jun. 30, 2017		$ 80,000	$ (286,951,000)		$ 273,733,000	$ 773,276,000	[1]	$ (162,569,000)	[1]	$ 597,569,000	[1]	$ 2,766,000	$ 600,335,000	[1]
Restricted stock granted (Note 14), shares		611,411		611,411
Stock-based compensation charge (Note 14)					2,052,000					2,052,000	[1]		2,052,000	[1]
Redeemable Common Stock, Balance at Jun. 30, 2017													107,672,000
Reversal of stock compensation charge (Note 14)					(42,000)					(42,000)	[1]		(42,000)	[1]
Reversal of stock compensation charge (Note 14), shares		(125,961)		(125,961)
(Reversal) Stock-based compensation charge related to equity-accounted investment (Note 8)					(207,000)					(207,000)	[1]		(207,000)	[1]
Net (loss) income						61,480,000	[1]			61,480,000	[1]	903,000	62,383,000	[1],[2],[3]
Other comprehensive loss (Note 13)								59,722,000	[1]	59,722,000	[1]	371,000	$ 60,093,000	[1]
Balance, Number of Shares at Mar. 31, 2018		81,746,479	(24,891,292)	56,855,187									56,855,187
Balance at Mar. 31, 2018		$ 80,000	$ (286,951,000)		275,536,000	834,756,000	[1]	(102,847,000)	[1]	720,574,000	[1]	4,040,000	$ 724,614,000	[1]
Redeemable Common Stock, Balance at Mar. 31, 2018													107,672,000
Balance, Number of Shares at Dec. 31, 2017		81,723,662	(24,891,292)	56,832,370
Balance at Dec. 31, 2017		$ 80,000	$ (286,951,000)		274,961,000	802,381,000	[1]	(123,359,000)	[1]	667,112,000	[1]	3,567,000	670,679,000	[1]
Restricted stock granted (Note 14), shares		22,817		22,817
Stock-based compensation charge (Note 14)					575,000					575,000	[1]		575,000	[1]
Redeemable Common Stock, Balance at Dec. 31, 2017													107,672,000
Net (loss) income						32,375,000	[1]			32,375,000	[1]	302,000	32,677,000	[1],[2],[3]
Other comprehensive loss (Note 13)								20,512,000	[1]	20,512,000	[1]	171,000	$ 20,683,000	[1]
Balance, Number of Shares at Mar. 31, 2018		81,746,479	(24,891,292)	56,855,187									56,855,187
Balance at Mar. 31, 2018		$ 80,000	$ (286,951,000)		275,536,000	834,756,000	[1]	(102,847,000)	[1]	720,574,000	[1]	4,040,000	$ 724,614,000	[1]
Redeemable Common Stock, Balance at Mar. 31, 2018													107,672,000
Balance, Number of Shares at Jun. 30, 2018		81,577,217	(24,891,292)	56,685,925
Balance at Jun. 30, 2018		$ 80,000	$ (286,951,000)		276,201,000	837,625,000		(184,436,000)		642,519,000		95,911,000	738,430,000	[4]
Restricted stock granted (Note 14), shares		148,000		148,000
Stock-based compensation charge (Note 14)					1,763,000					1,763,000			1,763,000
Redeemable Common Stock, Balance at Jun. 30, 2018	[4]												107,672,000
Reversal of stock compensation charge (Note 14)		$ (18,000)		$ (18,000)	(91,000)					(91,000)			(91,000)
(Reversal) Stock-based compensation charge related to equity-accounted investment (Note 8)													77,000
Dividends paid to non-controlling interest												(4,085,000)	(4,085,000)
Stock based-compensation charge related to equity-accounted investment (Note 8)					77,000					77,000			77,000
Net (loss) income						(123,924,000)				(123,924,000)		2,339,000	(121,585,000)	[3]
Other comprehensive loss (Note 13)								(19,902,000)		(19,902,000)		(4,888,000)	(24,790,000)
Deconsolidation of DNI (Note 2)												(88,934,000)	$ (88,934,000)
Balance, Number of Shares at Mar. 31, 2019		81,707,217	(24,891,292)	56,815,925									56,815,925
Balance at Mar. 31, 2019		$ 80,000	$ (286,951,000)		277,950,000	713,701,000		(204,338,000)		500,442,000		343,000	$ 500,785,000
Redeemable Common Stock, Balance at Mar. 31, 2019													107,672,000
Balance, Number of Shares at Dec. 31, 2018		81,725,217	(24,891,292)	56,833,925
Balance at Dec. 31, 2018		$ 80,000	$ (286,951,000)		277,463,000	768,485,000		(198,272,000)		560,805,000		91,632,000	652,437,000
Stock-based compensation charge (Note 14)					578,000					578,000			578,000
Redeemable Common Stock, Balance at Dec. 31, 2018													107,672,000
Reversal of stock compensation charge (Note 14)		$ (18,000)		$ (18,000)	(91,000)					(91,000)			(91,000)
Dividends paid to non-controlling interest												(1,148,000)	(1,148,000)
Net (loss) income						(54,784,000)				(54,784,000)		(728,000)	(55,512,000)	[3]
Other comprehensive loss (Note 13)								(6,066,000)		(6,066,000)		(479,000)	(6,545,000)
Deconsolidation of DNI (Note 2)												(88,934,000)	$ (88,934,000)
Balance, Number of Shares at Mar. 31, 2019		81,707,217	(24,891,292)	56,815,925									56,815,925
Balance at Mar. 31, 2019		$ 80,000	$ (286,951,000)		$ 277,950,000	$ 713,701,000		$ (204,338,000)		$ 500,442,000		$ 343,000	$ 500,785,000
Redeemable Common Stock, Balance at Mar. 31, 2019													$ 107,672,000

[1] Refer to Note 1.

[2] Refer to Note 1

[3] Refer to Note 2 for discontinued operations disclosures.

[4] Derived from audited financial statements filed on Form 10-K/A on December 6, 2018 (Note 1)