Fair Values Of Financial Instruments (Fair Value, Assets Measured On Recurring Basis) (Details) $ in Thousands | Sep. 30, 2015USD ($) |
Cash and Cash Equivalents [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | $ 12,069 |
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 12,069 |
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Cash [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 11,560 |
Cash [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 11,560 |
Cash [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Cash [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Money Market Funds [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 509 |
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 509 |
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Cash and cash equivalents | 0 |
Fixed Income Securities [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 20,171 |
Fixed Income Securities [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 0 |
Fixed Income Securities [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 20,171 |
Fixed Income Securities [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 0 |
Certificate Of Deposits [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 8,994 |
Certificate Of Deposits [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 8,994 |
Corporate Bonds - Financial [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 6,122 |
Corporate Bonds - Financial [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 0 |
Corporate Bonds - Financial [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 6,122 |
Corporate Bonds - Financial [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 0 |
Corporate Bonds - Industrial [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 5,055 |
Corporate Bonds - Industrial [Member] | Fair Value, Inputs, Level 1 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 0 |
Corporate Bonds - Industrial [Member] | Fair Value, Inputs, Level 2 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 5,055 |
Corporate Bonds - Industrial [Member] | Fair Value, Inputs, Level 3 [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | $ 0 |