The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

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

Regulatory Matters (Narrative) (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Required reserve balance		$ 1,740,000
Scenario, Forecast [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Amount Available for Dividend Distribution without Affecting Capital Adequacy Requirements	$ 21,100,000