Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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- Definition

The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04.3(a))
-URI http://asc.fasb.org/extlink&oid=114873790&loc=SL114874131-224263

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Investments (Equity Securities) (Details) - USD ($)	3 Months Ended		9 Months Ended
Investments (Equity Securities) (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Debt and Equity Securities, FV-NI [Line Items]
Equity security	$ 15,529,000		$ 15,529,000
Realized (gains) losses on sale of investments and other assets	498,000	$ 404,000	1,251,000	$ (742,000)
Stock Mutual Funds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity security	3,196,000		3,196,000
Available-for-sale securities					$ 3,217,000
Bond Mutual Funds [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity security	12,096,000		12,096,000
Available-for-sale securities					12,367,000
Common stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity security	96,000		96,000
Available-for-sale securities					24,000
Nonredeemable Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity security	141,000		141,000
Redeemable Preferred Stock [Member]
Debt and Equity Securities, FV-NI [Line Items]
Available-for-sale securities					556,000
Equity Securities [Member]
Debt and Equity Securities, FV-NI [Line Items]
Equity security	15,529,000		15,529,000
Realized (gains) losses on sale of investments and other assets	$ (156,000)		$ 232,000
Available-for-sale securities					$ 16,164,000