Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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Increase (decrease) in estimated interest expense.

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- Definition

Gain (loss) on hedging derivative instrument or the foreign currency transaction gain (loss) on the nonderivative hedging instrument designated as a hedge of a net investment in foreign operations related to hedge ineffectiveness, which is included in earnings in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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No definition available.

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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

Average fixed interest rate that will be received or paid upon exercise of a group of interest rate swaption contracts.

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No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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-Publisher FASB
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-Topic 815
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-Section 50
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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 number of derivative instruments of a particular group held by the entity.

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-Name Accounting Standards Codification
-Topic 815
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Derivatives - Additional Information (Detail)	3 Months Ended		6 Months Ended	12 Months Ended
Derivatives - Additional Information (Detail)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2016 USD ($) Derivative
Interest Rate Swaps
Derivative [Line Items]
Available for sale securities pledged for collateral	$ 23,500,000		$ 23,500,000		$ 498,000
Cash Flow Hedging \| Interest Rate Swaps
Derivative [Line Items]
Number of derivatives \| Derivative						2
Notional amount						$ 30,000,000.0
Average interest rate						1.10%
Variable rate basis			3 month LIBOR
Amount of ineffective hedges	0
Cash Flow Hedging \| Interest Rate Swaps \| Interest Expense
Derivative [Line Items]
Accumulated other comprehensive income (loss) reclassified	$ 238,000	$ 132,000
Scenario, Forecast [Member] \| Reclassification Out of Accumulated Other Comprehensive Income
Derivative [Line Items]
Estimated decrease in interest expense				$ 314,000