This element represents the total capitalization of market.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Represents the number of banks In S&P 600 CM bank index.

+ References

No definition available.

+ Details

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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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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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Details

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- Details

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Stock Options and Restricted Stock Awards - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) item shares	Dec. 31, 2019 shares	Mar. 31, 2019 shares
Stock Options and Restricted Stock Awards
Number of banks in the index \| item	54
Minimum
Stock Options and Restricted Stock Awards
Market capitalization \| $	$ 500
Maximum
Stock Options and Restricted Stock Awards
Market capitalization \| $	$ 4,500
2012 Plan
Stock Options and Restricted Stock Awards
Number of shares authorized for grant options to its directors, officers, and employees	750,000
Term of award	10 years
Vesting period	5 years
Number of unissued shares of the Company’s common stock authorized for option grants	0		0
2017 Plan
Stock Options and Restricted Stock Awards
Number of shares authorized for grant options to its directors, officers, and employees	1,500,000
Term of award	10 years
Number of unissued shares of the Company’s common stock authorized for option grants	310,600	310,600
2017 Plan \| Minimum
Stock Options and Restricted Stock Awards
Vesting period	4 years
2017 Plan \| Maximum
Stock Options and Restricted Stock Awards
Vesting period	5 years
2019 EIP
Stock Options and Restricted Stock Awards
Number of shares authorized for grant options to its directors, officers, and employees	1,000,000
Term of award	10 years
Vesting period	4 years
Number of unissued shares of the Company’s common stock authorized for option grants	830,373	867,040