1) Significant Accounting Policies: Concentration of Credit Risk (Policies)	12 Months Ended
Dec. 31, 2017
Policies
Concentration of Credit Risk	Concentration of Credit Risk For a description of the geographic concentration risk regarding mortgage loans held for investment and real estate held for investment, refer to Note 2 of the Notes to Consolidated Financial Statements.

Disclosure of accounting policy for credit risk.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75027168&loc=d3e14489-108613

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 825
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75032840&loc=d3e61082-112788

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 825
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75027451&loc=SL29635902-196195

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 825
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75032840&loc=d3e61044-112788

Name:	us-gaap_ConcentrationRiskCreditRisk
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration