Credit Facility - Interest Rate Swaps (Details)	Nov. 01, 2018 USD ($)
Interest Rate Swap, Maturity April 30, 2021
Line of Credit Facility [Line Items]
Notional amount	$ 90,000,000.0
Derivative, fixed interest rate (percent)	2.83%
Interest Rate Swap, Maturity October 31, 2021
Line of Credit Facility [Line Items]
Notional amount	$ 90,000,000.0
Derivative, fixed interest rate (percent)	2.84%
Interest Rate Swap, Maturity April 30, 2022
Line of Credit Facility [Line Items]
Notional amount	$ 130,000,000.0
Derivative, fixed interest rate (percent)	2.86%
Interest Rate Swap, Maturity September 1, 2022
Line of Credit Facility [Line Items]
Notional amount	$ 130,000,000.0
Derivative, fixed interest rate (percent)	2.84%