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		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (2,442)	$ (9,227)	$ (18,521)	$ (14,716)
Amount reclassified from accumulated other comprehensive loss	2,484	584	3,909	408
Interest Expense	40,375	$ 37,173	77,811	$ 74,925
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			7,000
Fair Value, Measurements, Recurring [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Asset at Fair Value	0		0		$ 2,987
Interest Rate Cash Flow Hedge Liability at Fair Value	(11,172)		(11,172)		(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	0		0		2,987
Interest Rate Cash Flow Hedge Liability at Fair Value	(11,172)		(11,172)		(1,515)
Interest Rate Cash Flow Hedge Derivative At Fair Value Net	(11,172)		$ (11,172)		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	$ (3,578)		$ (3,578)
Derivative @ 1.303% 19.678M [Member]
Derivative [Line Items]
Derivative, Inception Date			Apr. 07, 2016
Derivative, Maturity Date			Apr. 01, 2023
Derivative, Notional Amount	$ 19,588		$ 19,588
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	$ (606)		$ (606)
Derivative @ 1.490% 32.809M [Member]
Derivative [Line Items]
Derivative, Inception Date			Dec. 01, 2016
Derivative, Maturity Date			Nov. 01, 2023
Derivative, Notional Amount	$ 32,664		$ 32,664
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	$ (1,393)		$ (1,393)
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	$ (1,455)		$ (1,455)
Derivative @ 2.366% 37.022M [Member]
Derivative [Line Items]
Derivative, Inception Date			Jun. 02, 2017
Derivative, Maturity Date			Jun. 02, 2027
Derivative, Notional Amount	$ 36,879		$ 36,879
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	$ (4,140)		$ (4,140)		$ (1,515)
Swap [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			$ 1,400