Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities measured on recurring basis

The table below sets forth financial assets and liabilities of COPT and subsidiaries that are accounted for at fair value on a recurring basis as of September 30, 2020 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)		Total
Assets:
Marketable securities in deferred compensation plan (1)
Mutual funds	$	2,652	$	—	$	—	$	2,652
Other	20		—		—		20
Mutual funds (1)	20		—		—		20
Total assets	$	2,692	$	—	$	—	$	2,692
Liabilities:
Deferred compensation plan liability (2)	$	—	$	2,672	$	—	$	2,672
Interest rate derivatives	—		10,977		—		10,977
Total liabilities	$	—	$	13,649	$	—	$	13,649

(1)Included in the line entitled “prepaid expenses and other assets, net” on COPT’s consolidated balance sheet.

(2)Included in the line entitled “other liabilities” on COPT’s consolidated balance sheet.

The table below sets forth financial assets and liabilities of COPLP and subsidiaries that are accounted for at fair value on a recurring basis as of September 30, 2020 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs(Level 2)		Significant Unobservable  Inputs (Level 3)		Total
Assets:
Mutual funds (1)	$	20	$	—	$	—	$	20
Liabilities:
Interest rate derivatives	$	—	$	10,977	$	—	$	10,977

(1)Included in the line entitled “prepaid expenses and other assets, net” on COPLP’s consolidated balance sheet.