Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 28
-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph c
-Subparagraph Schedule III
-Article 5

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

Other Real Estate Owned - Composition and Other Information (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Composition of OREO
Other real estate owned ("OREO"), net	$ 7,096,000	$ 7,435,000	$ 9,779,000
Loans [Member]
Composition of OREO
Other real estate owned ("OREO"), net	243,000	220,000	349,000
Loans, Land [Member]
Composition of OREO
Other real estate owned ("OREO"), net	215,000
Loans, Residential Real Estate [Member]
Composition of OREO
Other real estate owned ("OREO"), net	28,000
Tax Lien [Member]
Composition of OREO
Other real estate owned ("OREO"), net	$ 6,853,000	$ 7,215,000	$ 9,430,000