Fair Value Disclosures (Details - Inputs) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	$ 1,607,000,000	$ 2,132,000,000
Real Estate Owned	13,000,000	13,000,000
Average [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Real Estate Owned	391,700	329,500
Maximum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Real Estate Owned	897,000	900,000
Minimum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Real Estate Owned	80,000	57,900
One- To Four-Family [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	803,000,000	1,071,000,000
One- To Four-Family [Member] \| Average [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	815,900	594,700
One- To Four-Family [Member] \| Maximum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	2,700,000	2,000,000
One- To Four-Family [Member] \| Minimum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	92,000	17,000
Home Equity [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	635,000,000	836,000,000
Home Equity [Member] \| Average [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	437,300	397,700
Home Equity [Member] \| Maximum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	1,440,000	1,060,000
Home Equity [Member] \| Minimum [Member] \| Level 3 [Member] \| Fair Value, Nonrecurring [Member] \| Measurement Input, Appraised Value [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total mortgage loans receivable	$ 75,000	$ 73,000

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No definition available.

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- Definition

Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4437-111522

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