995300 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 995301 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 995302 - Statement - Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 995303 - Statement - Consolidated Statements of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995304 - Statement - Consolidated Statements of Comprehensive (Loss)/Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995305 - Statement - Consolidated Statements of Changes in Stockholders’ Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995306 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995307 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 995308 - Disclosure - Organization and Description of Business link:presentationLink link:calculationLink link:definitionLink 995309 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995310 - Disclosure - Business Combination link:presentationLink link:calculationLink link:definitionLink 995311 - Disclosure - Cash, Cash Equivalents and Restricted Cash link:presentationLink link:calculationLink link:definitionLink 995312 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 995313 - Disclosure - Financial Instruments Owned link:presentationLink link:calculationLink link:definitionLink 995314 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 995315 - Disclosure - Fixed Assets, Net link:presentationLink link:calculationLink link:definitionLink 995316 - Disclosure - Convertible Notes link:presentationLink link:calculationLink link:definitionLink 995317 - Disclosure - Contingent Consideration link:presentationLink link:calculationLink link:definitionLink 995318 - Disclosure - Payable to Gold Bullion Holdings (Jersey) Limited (“GBH”) link:presentationLink link:calculationLink link:definitionLink 995319 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995320 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 995321 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 995322 - Disclosure - Revenues from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 995323 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 995324 - Disclosure - Stock-Based Awards link:presentationLink link:calculationLink link:definitionLink 995325 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 995326 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995327 - Disclosure - Shares Repurchased link:presentationLink link:calculationLink link:definitionLink 995328 - Disclosure - Goodwill and Intangible Assets link:presentationLink link:calculationLink link:definitionLink 995329 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 995330 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995331 - Disclosure - Insider Trading Arrangements link:presentationLink link:calculationLink link:definitionLink 996332 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 996333 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 996334 - Disclosure - Business Combination (Tables) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 996336 - Disclosure - Financial Instruments Owned (Tables) link:presentationLink link:calculationLink link:definitionLink 996337 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 996338 - Disclosure - Fixed Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996339 - Disclosure - Convertible Notes (Tables) link:presentationLink link:calculationLink link:definitionLink 996340 - Disclosure - Contingent Consideration (Tables) link:presentationLink link:calculationLink link:definitionLink 996341 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 996342 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 996343 - Disclosure - Revenues from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 996344 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Stock-Based Awards (Tables) link:presentationLink link:calculationLink link:definitionLink 996346 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 996347 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 996348 - Disclosure - Goodwill and Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 996349 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 996350 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 996351 - Disclosure - Significant Accounting Policies - Schedule of Estimated Useful Lives of the Related Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996352 - Disclosure - Business Combination (Details) link:presentationLink link:calculationLink link:definitionLink 996353 - Disclosure - Business Combination - Schedule of Allocation of Purchase Price (Details) link:presentationLink link:calculationLink link:definitionLink 996354 - Disclosure - Cash, Cash Equivalents and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 996356 - Disclosure - Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 996357 - Disclosure - Fair Value Measurements - Schedule of Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 996358 - Disclosure - Financial Instruments Owned (Details) link:presentationLink link:calculationLink link:definitionLink 996359 - Disclosure - Financial Instruments Owned - Schedule of Financial Instruments Owned (Details) link:presentationLink link:calculationLink link:definitionLink 996360 - Disclosure - Investments (Details) link:presentationLink link:calculationLink link:definitionLink 996361 - Disclosure - Investments - Schedule of Investments (Details) link:presentationLink link:calculationLink link:definitionLink 996362 - Disclosure - Investments - Schedule of Inputs Used in the Backsolve Valuation Approach (Details) link:presentationLink link:calculationLink link:definitionLink 996363 - Disclosure - Fixed Assets, Net - Schedule of Fixed Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996364 - Disclosure - Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Convertible Notes - Schedule of Key Terms of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 996366 - Disclosure - Convertible Notes - Schedule of Convertible Notes (Details) link:presentationLink link:calculationLink link:definitionLink 996367 - Disclosure - Contingent Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 996368 - Disclosure - Contingent Consideration - Schedule of Remeasurement of Contingent Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 996369 - Disclosure - Payable to Gold Bullion Holdings (Jersey) Limited (“GBH”) (Details) link:presentationLink link:calculationLink link:definitionLink 996370 - Disclosure - Leases - Schedule of Leases (Details) link:presentationLink link:calculationLink link:definitionLink 996371 - Disclosure - Leases - Schedule of Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 996372 - Disclosure - Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 996373 - Disclosure - Variable Interest Entities - Schedule of Variable Interests in Non-Consolidated VIEs (Details) link:presentationLink link:calculationLink link:definitionLink 996374 - Disclosure - Revenues from Contracts with Customers - Schedule of Revenues from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Revenues from Contracts with Customers - Schedule of Total Revenues Geographically (Details) link:presentationLink link:calculationLink link:definitionLink 996376 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 996377 - Disclosure - Related Party Transactions - Schedule of Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 996378 - Disclosure - Stock-Based Awards (Details) link:presentationLink link:calculationLink link:definitionLink 996379 - Disclosure - Stock-Based Awards - Schedule of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period (Details) link:presentationLink link:calculationLink link:definitionLink 996380 - Disclosure - Stock-Based Awards - Schedule of Stock-Based Compensation Award Activity (Details) link:presentationLink link:calculationLink link:definitionLink 996381 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 996382 - Disclosure - Earnings Per Share - Schedule of Reconciliation of Basic and Diluted Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 996383 - Disclosure - Earnings Per Share - Schedule of Weighted Average Diluted Shares (Details) link:presentationLink link:calculationLink link:definitionLink 996384 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Income Taxes - Schedule of Income Taxes Paid by Jurisdiction (Details) link:presentationLink link:calculationLink link:definitionLink 996386 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996387 - Disclosure - Income Taxes - Schedule of Aggregate Changes in Tax Effected Capital Losses (Details) link:presentationLink link:calculationLink link:definitionLink 996388 - Disclosure - Shares Repurchased (Details) link:presentationLink link:calculationLink link:definitionLink 996389 - Disclosure - Goodwill and Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996390 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill which is Tested Annually for Impairment (Details) link:presentationLink link:calculationLink link:definitionLink 996391 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets which are Tested Annually for Impairment (Details) link:presentationLink link:calculationLink link:definitionLink 996392 - Disclosure - Goodwill and Intangible Assets - Schedule of Expected Amortization Expense for the Unamortized Finite-Lived Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996393 - Disclosure - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 996394 - Disclosure - Segment Information - Schedule of Operating Income and Operating Income Margin (Details) link:presentationLink link:calculationLink link:definitionLink 996395 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink