Fair Value Disclosures, Part 4 (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair value option - Loans held for sale [Abstract]
Loans held for sale	$ 28,016	$ 27,866
Difference	841	714
Aggregate Fair Value [Member]
Fair value option - Loans held for sale [Abstract]
Loans held for sale	28,016	27,866
Contractual Principal [Member]
Fair value option - Loans held for sale [Abstract]
Loans held for sale	$ 27,175	$ 27,152

This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of loans and long-term receivables (other than securities categorized as trading, available-for-sale or held-to-maturity) that have contractual principal amounts and for which the fair value option has been elected.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 28
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612

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