Annual report [Section 13 and 15(d), not S-K Item 405]

INCOME TAXES - Narrative (Details)

v3.26.1
INCOME TAXES - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Income Tax Examination [Line Items]      
Net income before income tax $ 225,965 $ 104,583 $ 438,938
Effective income tax rate 32.10% 27.20% 13.80%
Undistributed earnings of foreign subsidiaries $ 857,837    
Tax losses carryforward 21,479 $ 4,871  
Tax effect at Kazakhstani subsidiaries $ 20,901    
United states      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 21.00% 21.00%  
Kazakhstan      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 20.00% 20.00%  
Income tax rates used for deferred tax assets and liabilities, banking activities 25.00% 25.00%  
Tax losses carryforward   $ 27,280  
Azerbaijan      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 20.00% 20.00%  
Tajikistan      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 18.00% 18.00%  
Kyrgyzstan      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 10.00% 10.00%  
Germany      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 15.00% 15.00%  
Cyprus      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 15.00% 15.00%  
Tax losses carryforward $ 107,792    
Turkey      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 25.00% 25.00%  
United Kingdom      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 25.00% 25.00%  
United Arab Emirates      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 9.00% 9.00%  
Armenia      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 18.00% 18.00%  
Uzbekistan      
Income Tax Examination [Line Items]      
Income tax rates used for deferred tax assets and liabilities 15.00% 15.00%