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Statement - Consolidated Statements of Cash Flows (unaudited) link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Comprehensive Income (unaudited) link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Income (unaudited) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements of Shareholders' Equity (unaudited) link:presentationLink link:calculationLink link:definitionLink 1005501 - Statement - Consolidated Statements of Shareholders' Equity (unaudited) (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Derivative Financial Instruments Cross-currency Interest Rate Swaps (Details) link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Derivative Financial Instruments Fair Value of Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2407405 - Disclosure - Derivative Financial Instruments Gross/Net (Details) link:presentationLink link:calculationLink link:definitionLink 2407406 - Disclosure - Derivative Financial Instruments Income Statement Effect of Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - Disclosure - Derivative Financial Instruments Outstanding (Details) link:presentationLink link:calculationLink link:definitionLink 2307301 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information Document link:presentationLink link:calculationLink link:definitionLink 2117100 - Disclosure - Earnings per Common Share link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - 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Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 2122100 - Disclosure - Legal Proceedings link:presentationLink link:calculationLink link:definitionLink 2422401 - Disclosure - Legal Proceedings (Details) link:presentationLink link:calculationLink link:definitionLink 2119100 - Disclosure - Major Customer link:presentationLink link:calculationLink link:definitionLink 2419401 - Disclosure - Major Customer (Details) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Outstanding Debt Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2120100 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 2320301 - Disclosure - Related Party Transactions Related Party Transactions with Union Bank (Tables) link:presentationLink link:calculationLink link:definitionLink 2420402 - Disclosure - Related Party Transactions Transactions with Union Bank and Trust (Details) link:presentationLink link:calculationLink link:definitionLink 2118100 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 2418402 - Disclosure - Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 2318301 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Student Loans Receivable and Allowance for Loan Losses link:presentationLink link:calculationLink link:definitionLink 2403404 - Disclosure - Student Loans Receivable and Allowance for Loan Losses Allowance for Loan Losses (Details) link:presentationLink link:calculationLink link:definitionLink 2403405 - Disclosure - Student Loans Receivable and Allowance for Loan Losses Repurchase Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Student Loans Receivable and Allowance for Loan Losses Residual Interests (Details) link:presentationLink link:calculationLink link:definitionLink 2403406 - Disclosure - 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