Foreclosed Real Estate (Rollforward) (Details) - Originated Loans [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Real Estate Owned Rollforward [Line Items]
Foreclosed real estate beginning balance	$ 33,768	$ 44,174	$ 47,520
Other Real Estate Owned Write Downs	(4,762)	(5,757)	(6,560)
Other Real Estate Owned Additions	21,545	20,011	22,812
Other Real Estate Owned Sales	(20,642)	(24,660)	(19,598)
Foreclosed real estate ending balance	$ 29,909	$ 33,768	$ 44,174

Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(4))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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