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Derivative Financial Instruments - Additional Information (Details) |  |  |  |  |  | 12 Months Ended |  |
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Oct. 01, 2019 USD ($) | Aug. 21, 2019 USD ($) | Aug. 09, 2019 USD ($) | Jul. 22, 2019 USD ($) | Jul. 08, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Jun. 30, 2018
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative, Number of Instruments Held, Total |  |  |  |  |  | 0 |  |
Gain (Loss) on Derivative Instruments, Net, Pretax, Total |  |  |  |  |  | $ 981,000 |  |
Derivative, Gain (Loss) on Derivative, Net, Total |  |  |  |  |  | $ 700,000 |  |
Forward Interest Rate Swap Contract One [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount, total |  |  |  |  | $ 10,000,000 |  |  |
Derivative term of contract |  |  |  |  | 7 years |  |  |
Derivative, fixed interest rate |  |  |  |  | 1.79% |  |  |
Forward Interest Rate Swap Contract One [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Expected derivative notional amount for next seven years |  |  |  |  |  |  | $ 10,000,000 |
Forward Interest Rate Swap Contract Two [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount, total |  |  |  | $ 10,000,000 |  |  |  |
Derivative term of contract |  |  |  | 5 years |  |  |  |
Derivative, fixed interest rate |  |  |  | 1.698% |  |  |  |
Forward Interest Rate Swap Contract Two [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Expected derivative notional amount for next five years |  |  |  |  |  |  | $ 10,000,000 |
Forward Interest Rate Swap Contract Five [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount, total | $ 10,000,000 |  |  |  |  |  |  |
Derivative term of contract | 5 years |  |  |  |  |  |  |
Derivative, fixed interest rate | 1.357% |  |  |  |  |  |  |
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Derivative, Number of Instruments Held, Total |  |  |  |  |  |  |  | 2
Forward Interest Rate Swap Contract Three [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount, total |  |  | $ 10,000,000 |  |  |  |  |
Derivative term of contract |  |  | 5 years |  |  |  |  |
Derivative, fixed interest rate |  |  | 1.406% |  |  |  |  |
Forward Interest Rate Swap Contract Four [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount, total |  | $ 10,000,000 |  |  |  |  |  |
Derivative term of contract |  | 5 years |  |  |  |  |  |
Derivative, fixed interest rate |  | 1.292% |  |  |  |  |  |

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- Definition Expected derivative notional amount for next seven years. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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