XML 21 R37.htm IDEA: XBRL DOCUMENT

Related Person Transactions (Details) (USD $)	12 Months Ended
Related Person Transactions (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Transaction [Line Items]
Rental service charge	$ 17,500us-gaap_RevenueFromRelatedParties	$ 18,000us-gaap_RevenueFromRelatedParties	$ 18,000us-gaap_RevenueFromRelatedParties
Purchase of maintenance and other services	$ 298,000	$ 299,000	$ 239,000

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References+ Details