Fair Values Of Financial Instruments (Fair Value, Assets Measured On Recurring Basis) (Details) (USD $) | Mar. 31, 2015 |
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 | $25,078 |
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 | 25,078 |
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 | 24,028 |
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 | 24,028 |
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 | 1,050 |
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 | 1,050 |
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 | 11,203 |
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 | 11,203 |
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 | 1,082 |
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 | 1,082 |
Corporate Bonds - Financial [Member] | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
Fixed income securities | 4,779 |
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 | 4,779 |
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 | 5,342 |
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 | 5,342 |
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 |