Community reinvestment act qualified mutual fund.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
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- Definition

The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

+ References

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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.

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- Definition

Amount of unrealized holding loss before gain recognized in the income statement for investments in trading securities.

+ References

No definition available.

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Securities - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Securities - Additional Information (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule Of Available For Sale Securities [Line Items]
Proceeds from sale of available-for-sale securities	$ 0	$ 0	$ 0	$ 0
Mutual fund - CRA qualified	2,449,180		2,449,180
Other Income
Schedule Of Available For Sale Securities [Line Items]
Unrealized holding losses on investment			111,041
Securities Available For Sale, At Fair Value \| ASU 2016-01
Schedule Of Available For Sale Securities [Line Items]
Mutual fund - CRA qualified	(2,500,000)		(2,500,000)
Other Investments \| ASU 2016-01
Schedule Of Available For Sale Securities [Line Items]
Mutual fund - CRA qualified	2,500,000		2,500,000
Collateral Pledged
Schedule Of Available For Sale Securities [Line Items]
Number of securities pledged as collateral	$ 0		$ 0		$ 0
Stockholder's Equity \| Credit Concentration Risk \| Non-US Government and Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Concentration risk, percentage			10.00%		10.00%