The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Derivatives - Schedule of Derivative Instruments (Details) $ in Thousands		12 Months Ended
	Dec. 31, 2019 USD ($) instrument	Dec. 31, 2019 USD ($) instrument	Aug. 15, 2019 USD ($) instrument	Dec. 31, 2018 USD ($) instrument	Nov. 23, 2018 USD ($) instrument	Dec. 29, 2017 USD ($) instrument
Two $100,000 interest rate swaps maturing in 2023
Derivative [Line Items]
Notional	$ 200,000	$ 200,000
Fixed interest rate (as a percent)	2.85%	2.85%
Three $40,000 interest rate swaps maturing in 2024
Derivative [Line Items]
Notional	$ 120,000	$ 120,000
Fixed interest rate (as a percent)	1.68%	1.68%
Three $50,000 interest rate swaps maturing in 2026
Derivative [Line Items]
Notional	$ 150,000	$ 150,000
Fixed interest rate (as a percent)	1.77%	1.77%
Cash flow hedges \| Interest rate swaps
Derivative [Line Items]
Number of instruments \| instrument	11	11		5
Amount expected to be reclassified to interest expense over the next 12 months	$ 3,817
Notional	$ 720,000	$ 720,000		$ 450,000
Cash flow hedges \| Two $100,000 and one $50,000 interest rate swaps maturing in 2021
Derivative [Line Items]
Number of instruments \| instrument						3
Notional						$ 250,000
Fixed interest rate (as a percent)						2.00%
Cash flow hedges \| Two $100,000 interest rate swaps maturing in 2023
Derivative [Line Items]
Number of instruments \| instrument					2
Notional					$ 200,000
Fixed interest rate (as a percent)					2.85%
Cash flow hedges \| Three $40,000 interest rate swaps maturing in 2024
Derivative [Line Items]
Number of instruments \| instrument			3
Notional			$ 120,000
Fixed interest rate (as a percent)			1.68%
Cash flow hedges \| Three $50,000 interest rate swaps maturing in 2026
Derivative [Line Items]
Number of instruments \| instrument			3
Notional			$ 150,000
Fixed interest rate (as a percent)			1.77%
LIBOR \| Two $100,000 interest rate swaps maturing in 2023
Derivative [Line Items]
Reference rate for variable interest rate	LIBOR
LIBOR \| Three $40,000 interest rate swaps maturing in 2024
Derivative [Line Items]
Reference rate for variable interest rate	LIBOR
LIBOR \| Three $50,000 interest rate swaps maturing in 2026
Derivative [Line Items]
Reference rate for variable interest rate	LIBOR
LIBOR \| Cash flow hedges
Derivative [Line Items]
Reference rate for variable interest rate		one-month floating rate LIBOR