Note 14. Commitments And Contingencies Escrow and Trust Deposits (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Escrow and trust deposits	$ 251,000,000	$ 271,000,000
Maximum [Member]
Loss Contingencies [Line Items]
Cash, FDIC Insured Amount	$ 250,000

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

Name:	us-gaap_NoninterestBearingDepositLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant