Derivatives - Summary of Terms of Derivative Financial Instrument (Details) - Cap Agreement	12 Months Ended
	Dec. 31, 2018 USD ($)
Derivative [Line Items]
Notional Amount	$ 7,500,000
Effective Date	Dec. 24, 2018
Maturity Date	Dec. 20, 2021
Minimum
Derivative [Line Items]
Strike	3.50%
Maximum
Derivative [Line Items]
Strike	4.00%