Interest Rate Contracts - Summary of Interest Rate Swaps (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 10, 2020	Dec. 31, 2019
Interest Rate Swap Effective Date July 9, 2015
Derivative [Line Items]
Interest strike rate (percent)	1.69%
Fair value of interest rate swap in a net asset (liability) position	$ (1,048)		$ (43)
Derivative notional amount	$ 425,000		425,000
Interest Rate Swap, Effective March 10, 2020 - $150,000 Notional Amount, Interest Rate 0.83%
Derivative [Line Items]
Interest strike rate (percent)	0.83%
Fair value of interest rate swap in a net asset (liability) position	$ (1,761)		0
Derivative notional amount	$ 150,000	$ 150,000	0
Interest Rate Swap, Effective March 10, 2020 - $100,000 Notional Amount, Interest Rate 0.84%
Derivative [Line Items]
Interest strike rate (percent)	0.84%
Fair value of interest rate swap in a net asset (liability) position	$ (1,222)		0
Derivative notional amount	$ 100,000		0
Interest Rate Swap, Effective March 10, 2020 - $75,000 Notional Amount, Interest Rate 0.86%
Derivative [Line Items]
Interest strike rate (percent)	0.86%
Fair value of interest rate swap in a net asset (liability) position	$ (992)		0
Derivative notional amount	$ 75,000	75,000	0
Interest Rate Swap Effective Date July 1, 2020,$125,000 Notional Amount, Interest Rate 2.82%
Derivative [Line Items]
Interest strike rate (percent)	2.82%
Fair value of interest rate swap in a net asset (liability) position	$ (14,647)		(7,038)
Derivative notional amount	$ 125,000	$ 100,000	125,000
Interest Rate Swap Effective Date July 1, 2020
Derivative [Line Items]
Interest strike rate (percent)	2.82%
Fair value of interest rate swap in a net asset (liability) position	$ (11,744)		(5,651)
Derivative notional amount	$ 100,000		100,000
Interest Rate Swap Effective Date July 1, 2020
Derivative [Line Items]
Interest strike rate (percent)	2.83%
Fair value of interest rate swap in a net asset (liability) position	$ (11,753)		(5,665)
Derivative notional amount	$ 100,000		100,000
Interest Rate Swap Effective Date July 1, 2020
Derivative [Line Items]
Interest strike rate (percent)	2.84%
Fair value of interest rate swap in a net asset (liability) position	$ (11,837)		(5,749)
Derivative notional amount	100,000		100,000
Interest Rate Swap
Derivative [Line Items]
Fair value of interest rate swap in a net asset (liability) position	(55,004)		(24,146)
Derivative notional amount	$ 1,175,000		$ 850,000

Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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Fixed interest rate related to the interest rate derivative.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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