Offsetting Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	$ 0
Gross Amounts Offset in the Statement of Financial Position	1,915
Net Amounts of Assets Presented in the Statement of Financial Position	1,915
Financial Instruments	(1,915)
Cash Collateral Pledged	0
Net Amount	0
Counterparty 1 [Member]
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	0
Gross Amounts Offset in the Statement of Financial Position	1,915
Net Amounts of Assets Presented in the Statement of Financial Position	1,915
Financial Instruments	(1,915)
Cash Collateral Pledged	0
Net Amount	$ 0