COPT Defense Properties Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Equity - COPLP and Subsidiaries (Details)

Equity - COPLP and Subsidiaries (Details) - USD ($) $ / shares in Units, $ in Thousands						12 Months Ended
	Sep. 23, 2019	Sep. 22, 2019	Jul. 31, 2019	Jun. 27, 2017	Jan. 21, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Preferred Stock
Stock redeemed or called during period value								$ 172,500
Preferred units in COPLP						$ 8,800	$ 8,800
Common Shares
Number of common shares for each converted common unit (in shares)						1
Number of operating partnerships units converted into common shares (in units)						105,039	1,904,615	339,513
Redemption of common units						$ 25	$ 339
Dividends declared per common share (in dollars per share)						$ 1.10	$ 1.10	$ 1.10
2016 ATM Program
Common Shares
Shares issued to the public							992,000	591,000
Issuance of stock, weighted average price per share (in dollars per share)							$ 30.46	$ 33.84
Net proceeds from issuance of shares after underwriting discounts and commissions but before offering expenses							$ 29,800	$ 19,700
Payments of stock issuance costs							$ 500	$ 300
Common Shares \| 2016 ATM Program
Common Shares
Shares issued to the public							992,000	591,000
Issuance of stock, weighted average price per share (in dollars per share)							$ 30.46	$ 33.84
Net proceeds from issuance of shares after underwriting discounts and commissions but before offering expenses							$ 29,800	$ 19,700
Payments of stock issuance costs							$ 500	$ 300
Common Shares \| Forward Equity Sale Agreement
Common Shares
Shares issued to the public						1,600,000	5,900,000	1,700,000
Net proceeds from issuance of shares after underwriting discounts and commissions but before offering expenses						$ 46,500	$ 172,500	$ 50,000
Series K Preferred Shares
Preferred Stock
Annual dividend yield					5.60%
Series L
Preferred Stock
Annual dividend yield				7.375%
Issuance costs associated with redeemed preferred shares								6,800
Corporate Office Properties, L.P
Preferred Stock
Stock redeemed or called during period value								$ 172,500
Common Shares
Number of common shares for each converted common unit (in shares)						1	1	1
Number of operating partnerships units converted into common shares (in units)						105,039	1,900,000	339,513
Redemption of common units						$ 25	$ 339
Dividends declared per common share (in dollars per share)						$ 1.10	$ 1.10	$ 1.10
Corporate Office Properties, L.P \| Common Shares
Common Shares
Stock redeemed or called during period (in units/ shares)						924	13,377
Redemption of common units						$ 25	$ 339
Corporate Office Properties, L.P \| Common Units
Common Shares
Percentage ownership in operating partnership						98.70%	98.80%
Stock redeemed or called during period (in units/ shares)						924	13,377
Redemption of common units						$ 25	$ 339
Corporate Office Properties, L.P \| Conversion of Series I preferred units
Preferred Stock
Annual dividend yield	3.50%	7.50%
Limited partners' capital account, units outstanding						352,000
Preferred units in COPLP						$ 8,800
Preferred stock, liquidation preference per share						$ 25.00
Limited partner preferred units conversion rate to shares						0.5
Unitholder notification period prior to redemption			6 months
Corporate Office Properties, L.P \| Series K Preferred Shares
Preferred Stock
Annual dividend yield					5.60%
Preferred stock, redemption price per share (in dollars per share)					$ 50.00
Stock redeemed or called during period value					$ 26,600
Corporate Office Properties, L.P \| Series L
Preferred Stock
Annual dividend yield				7.375%
Preferred stock, redemption price per share (in dollars per share)				$ 25.00
Stock redeemed or called during period value				$ 172,500
Issuance costs associated with redeemed preferred shares								$ 6,800