Stockholders' Equity Repurchase Plan (Details) (Common Stock, January 2006 Plan, USD $)	Mar. 31, 2015	Jan. 31, 2006
Common Stock \| January 2006 Plan
Equity, Class of Treasury Stock [Line Items]
Shares authorized to be repurchased		1,000,000
Remaining shares authorized to be repurchased	276,633
Maximum repurchase price per share	$ 12.75

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant