Restrictions on Subsidiary Dividends, Loans or Advances (Narrative) (Details) $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($)
Percentage of capital stock and surplus on secured basis	10.00%
Parent Company [Member]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 22.3

Amount of dividends that can be declared or paid without approval of regulatory agency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant