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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Fixed interest rate related to the interest rate derivative.

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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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Nominal or face amount used to calculate payment on derivative.

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Reference to the index or unit of measurement for the underlying which establishes the pricing terms of the derivative instrument. For example, the basis on the underlying for a natural gas futures contract might be the NYMEX price per million British thermal units (MMBtu).

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Amount of the cost of borrowed funds accounted for as interest expense.

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Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (666)	$ (3,851)	$ (19,187)	$ (18,567)
Amount reclassified from accumulated other comprehensive loss	2,570	1,677	6,479	2,085
Interest Expense	40,794	$ 38,253	118,605	$ 113,178
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			6,100
Fair Value, Measurements, Recurring [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value					$ 2,987
Interest Rate Cash Flow Hedge Liability at Fair Value	(10,417)		(10,417)		(1,515)
Fair Value Inputs Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value					2,987
Interest Rate Cash Flow Hedge Liability at Fair Value	(10,417)		(10,417)		(1,515)
Interest Rate Cash Flow Hedge Derivative At Fair Value Net	(10,417)		$ (10,417)		1,472
Derivative @ 1.053% 265.000M [Member]
Derivative [Line Items]
Derivative, Inception Date			Aug. 01, 2016
Derivative, Maturity Date			Jan. 05, 2022
Derivative, Notional Amount	$ 265,000		$ 265,000
Derivative, Description of Variable Rate Basis			1 Month LIBOR with Floor
Derivative, Fixed Interest Rate	1.053%		1.053%
Interest Rate Cash Flow Hedge Asset at Fair Value					2,674
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (2,999)		$ (2,999)
Derivative @ 1.303% 19.678M [Member]
Derivative [Line Items]
Derivative, Inception Date			Apr. 07, 2016
Derivative, Maturity Date			Apr. 01, 2023
Derivative, Notional Amount	$ 19,497		$ 19,497
Derivative, Description of Variable Rate Basis			1 Month LIBOR
Derivative, Fixed Interest Rate	1.303%		1.303%
Interest Rate Cash Flow Hedge Asset at Fair Value					148
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (553)		$ (553)
Derivative @ 1.490% 32.809M [Member]
Derivative [Line Items]
Derivative, Inception Date			Dec. 01, 2016
Derivative, Maturity Date			Nov. 01, 2023
Derivative, Notional Amount	$ 32,517		$ 32,517
Derivative, Description of Variable Rate Basis			1 Month LIBOR
Derivative, Fixed Interest Rate	1.49%		1.49%
Interest Rate Cash Flow Hedge Asset at Fair Value					84
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (1,300)		$ (1,300)
Derivative @ 1.542% 24.000M [Member]
Derivative [Line Items]
Derivative, Inception Date			Sep. 17, 2019
Derivative, Maturity Date			Mar. 17, 2025
Derivative, Notional Amount	$ 24,000		$ 24,000
Derivative, Description of Variable Rate Basis			1 Month LIBOR
Derivative, Fixed Interest Rate	1.542%		1.542%
Interest Rate Cash Flow Hedge Asset at Fair Value					81
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (1,411)		$ (1,411)
Derivative @ 2.366% 37.022M [Member]
Derivative [Line Items]
Derivative, Inception Date			Jun. 02, 2017
Derivative, Maturity Date			Jun. 02, 2027
Derivative, Notional Amount	$ 36,736		$ 36,736
Derivative, Description of Variable Rate Basis			1 Month LIBOR with Floor
Derivative, Fixed Interest Rate	2.366%		2.366%
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (4,154)		$ (4,154)		$ (1,515)