Maximum leverage ratio basis points.

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- Definition

Minimum leverage ratio due year two.

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- Definition

Minimum leverage ratio remainder of fiscal year.

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- Definition

Minimum leverage ratio thereafter.

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- Definition

Minimum requirement leverage ratio.

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- Definition

Regulatory capital requirement consolidated total asset.

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- Definition

Risk weighted assets capital conservation buffer.

+ References

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- Definition

Risk weighted assets capital conservation buffer at base level.

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- Definition

Temporary transition leverage ratios requirement.

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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.

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- Definition

The amount of excess Tier 1 Leverage Capital divided by average assets as defined in the regulations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30)(a)(3))
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- Definition

Percentage of tier one capital to total leverage exposure, as defined by regulatory framework.

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- Definition

The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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Minimum Regulatory Capital Requirements - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended
	Jul. 31, 2018	Aug. 31, 2018	Jun. 30, 2020	Apr. 30, 2020	Mar. 27, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets						9.00%
Retained earnings is available to pay dividends						$ 25,428	$ 23,321
Dividend Restrictions [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Retained earnings is available to pay dividends						$ 13,600
Community Bank [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets						9.00%
Community Bank [Member] \| Scenario Forecast [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Banking organizations with minimum leverage ratios				8.00%
Banking organizations leverage ratios maximum requirement				8.00%
Banking organization maintains leverage ratio minimum				7.00%
Minimum leverage ratio for second through fourth quarters of 2020			8.00%
Minimum leverage ratio for 2021			8.50%
Minimum leverage ratio thereafter			9.00%
Maximum leverage ratio basis points			10.00%
Community Bank [Member] \| Subsequent Event [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Minimum leverage ratio calculated as ratio of Tier 1 capital to average quarterly assets					8.00%
Common Equity Tier 1 Capital [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital conservation buffer at base level								0.625%
Capital conservation buffer						2.50%	2.50%
Maximum [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Regulatory capital requirement consolidated total asset	$ 1,000,000	$ 3,000,000
Maximum [Member] \| Community Bank [Member] \| Scenario Forecast [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Temporary transition leverage ratios requirement				9.00%
Minimum [Member] \| Community Bank [Member] \| Scenario Forecast [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Temporary transition leverage ratios requirement				8.00%