Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
FHLMC [Member]
Mortgage Loans on Real Estate [Line Items]
Mortgage Loans on Real Estate, Face Amount of Mortgages	$ 473,896	$ 444,714
FHLB [Member]
Mortgage Loans on Real Estate [Line Items]
Mortgage Loans on Real Estate, Face Amount of Mortgages	$ 12,055	$ 14,039

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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