Fair Values Of Financial Instruments (Fair Value, Assets Measured On Recurring Basis) (Details) (USD $) | Mar. 31, 2014 |
In Thousands, unless otherwise specified |
Cash and Cash Equivalents [Member] | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' |
Cash and cash equivalents | $34,851 |
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 | 34,851 |
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 | 34,796 |
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 | 34,796 |
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 | 55 |
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 | 55 |
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 | 11,031 |
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 | 11,031 |
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 |
Corporate Bonds - Financial [Member] | ' |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ' |
Fixed income securities | 9,476 |
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 | 9,476 |
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 | 1,555 |
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 | 1,555 |
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 |