0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - INVESTMENTS IN DEBT SECURITIES link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - CUSTOMER FUNDS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - CONSUMER RECEIVABLES, NET link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - CUSTOMER LOANS link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - ACQUIRED INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - BITCOIN link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - INDEBTEDNESS link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - NET INCOME (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952176 - Disclosure - RESTRUCTURING link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - INVESTMENTS IN DEBT SECURITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - CUSTOMER FUNDS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - CONSUMER RECEIVABLES, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - CUSTOMER LOANS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - ACQUIRED INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - BITCOIN (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - INDEBTEDNESS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - NET INCOME (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - RESTRUCTURING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - INVESTMENTS IN DEBT SECURITIES - Schedule of Short-term and Long-term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - INVESTMENTS IN DEBT SECURITIES - Schedule of Short-term and Long-term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - INVESTMENTS IN DEBT SECURITIES - Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - INVESTMENTS IN DEBT SECURITIES - Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - INVESTMENTS IN DEBT SECURITIES - Schedule of Contractual Maturities of Short-Term and Long-Term Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - CUSTOMER FUNDS (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value and Carrying Value of Convertible Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - FAIR VALUE MEASUREMENTS - Schedule of Fair Value and Carrying Value of Loans Held for Sale (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - CONSUMER RECEIVABLES, NET - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - CONSUMER RECEIVABLES, NET - Schedule of Aging Analysis of Consumer Receivables held for Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - CONSUMER RECEIVABLES, NET - Schedule of Activity in Allowance for Credit Losses for Consumer Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - CUSTOMER LOANS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - CUSTOMER LOANS - Schedule of Loans Held for Investment by Category (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - CUSTOMER LOANS - Schedule of Aging Analysis of the Amortized Cost of Consumer Loans Held for Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - CUSTOMER LOANS - Schedule of Activity in Allowance for Credit Losses for Consumer Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - CUSTOMER LOANS - Schedule of Loans Held for Sale by Category (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - ACQUIRED INTANGIBLE ASSETS - Schedule of Acquired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - ACQUIRED INTANGIBLE ASSETS - Schedule of Change in Carrying Value of Acquired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - ACQUIRED INTANGIBLE ASSETS - Schedule of Future Amortization Expense of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Schedule of Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Schedule of Inventory, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Schedule of Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Schedule of Reserve for Transaction Losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) - Schedule of Other Non-Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) - Schedule of Adjustments of Non-Marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) - Schedule of Non-Marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (NON-CURRENT) - Schedule of Other Non-Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - BITCOIN - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - BITCOIN - Schedule of Changes in Bitcoin Investment (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - INDEBTEDNESS - Schedule of Net Carrying Amount of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - INDEBTEDNESS - Schedule of Interest Expense on Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - INDEBTEDNESS - Senior Unsecured Notes Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - INDEBTEDNESS - Convertible Notes Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - INDEBTEDNESS - Facilities Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - INDEBTEDNESS - Schedule of Amounts Drawn on Facilities by Year of Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - STOCKHOLDERS' EQUITY - Stock Plans and Restricted Stock - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of Restricted Stock Awards and Restricted Stock Units Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of the Effect of Share-Based Compensation on the Condensed Consolidated Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of the Effect of Share-Based Compensation on the Condensed Consolidated Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - STOCKHOLDERS' EQUITY - Share-Based Compensation Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Basic and Diluted Net Income (loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - NET INCOME (LOSS) PER SHARE - Schedule of Antidilutive Securities Excluded from Calculation of Diluted Net Income (loss) Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - COMMITMENTS AND CONTINGENCIES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Future Minimum Payments under the Purchase Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Reconciliation of Total Segment Profit to Income before applicable Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Revenue by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Long-lived Assets by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - RESTRUCTURING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - RESTRUCTURING - Schedule of Restructuring and Related Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - RESTRUCTURING - Schedule of Restructuring and Related Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - RESTRUCTURING - Schedule of Restructuring Reserve by Type of Cost (Details) link:presentationLink link:calculationLink link:definitionLink