Summary of Significant Accounting Policies Derivatives and Hedging (Details) (Interest Rate Swap [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Interest Rate Swap [Member]
Derivative [Line Items]
Derivative Asset	$ 61
Derivative Liability	$ 59

No authoritative reference available.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_DerivativeAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant