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Fair Value Measurements Financial Instruments not Carried at Fair Value (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Reported Value Measurement [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Policy loans | $ 78,659,000 | $ 78,773,000
Mortgage loans | 47,000 | 49,000
Cash and cash equivalents | 18,924,000 | 22,973,000
Annuity - investment contracts | 67,799,000 | 67,344,000
Limited partnership | 71,990,000 | 69,294,000
FHLB common stocks | 195,000 | 193,000
All other investments | 22,000 | 22,000
Other long-term investments | 72,254,000 | 69,558,000
Reported Value Measurement [Member] | Single Family |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans | 47,000 | 49,000
Estimate of Fair Value, Fair Value Disclosure [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Policy loans | 78,659,000 | 78,773,000
Cash and Cash Equivalents, Fair Value Disclosure | 18,924,000 | 22,973,000
Annuity - investment contracts | 62,968,000 | 61,701,000
Estimate of Fair Value, Fair Value Disclosure [Member] | Single Family |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans | 48,000 | 50,000
Policy loans | 78,659,000 | 78,773,000
Cash and cash equivalents | $ 18,924,000 | $ 22,973,000
Insurance policy loans interest rate | 7.70% | 7.70%
Fair value maximum rate of investment contract | 4.41% | 5.09%
Fair value minimum interest rate of investment contract | 4.18% | 4.74%
Limited partnership | $ 71,990,000 | $ 66,846,000
Other long-term investments | 72,254,000 | 69,558,000
Limited Partnership Funds [Member] |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Other invested assets, carried at amortized cost basis | $ 0 | $ 2,400,000
Single Family |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Mortgage loans on real estate, interest rate | 7.00% | 7.00%
Mortgage loan maturity higher end range | 5 years |
Mortgage loans interest rate used to estimate fair value | 6.25% |

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- Definition Represents the minimum interest rate for fair value of investment contract using discounted cash flows based upon swap rates adjusted for various risk adjustments. + References No definition available. + Details
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- Definition The stated interest rate on the insurance policy loans receivable or the weighted average interest rate on a group of insurance policy loans. + References No definition available. + Details
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- Definition The accrued obligation to policyholders that relates to individual and group annuities, and can be viewed as either (a) the present value of future benefits to be paid to or on behalf of policyholders and expenses less the present value of future net premiums payable under the insurance contracts or (b) the accumulated amount of net premiums already collected less the accumulated amount of benefits and expenses already paid to or on behalf of policyholders. + References No definition available. + Details
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- Definition Mortgage Loans Annual Interest Rate Used to Estimate Fair Value + References No definition available. + Details
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- Definition Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column B)) -URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. 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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(e)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(c)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
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