Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Real estate:
Land and land improvements	$ 1,393,474	$ 1,236,514
Building and improvements	4,785,171	4,397,049
Less accumulated depreciation	(1,040,249)	(941,299)
Operating real estate	5,138,396	4,692,264
Development in progress	323,790	462,572
Land held for development	303,440	296,244
Net real estate	5,765,626	5,451,080
Cash and cash equivalents	514,882	84,923
Restricted cash	14,006	10,899
Accounts receivable	16,975	14,109
Deferred rent receivable	124,509	111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235	157,823
Investments in and advances to unconsolidated joint ventures	347,880	350,981
Assets held for sale	226,504	502,207
Right of use asset	17,664	0
Prepaid expenses and other assets	148,451	251,000
Total assets	7,338,732	6,934,394
LIABILITIES
Mortgage loans, net	297,326	395,202
Unsecured notes, net	2,633,941	2,285,698
Credit facilities	100,000	411,846
Accounts payable	54,953	62,943
Accrued interest	36,530	22,309
Dividend and distributions payable	65,921	60,560
Lease liabilities	18,379	0
Other liabilities	204,963	270,396
Liabilities held for sale	15,939	21,131
Total liabilities	3,427,952	3,530,085
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337	7,537
EQUITY
Common shares of beneficial interest, $.001 par value, 283,987,000 shares authorized; 157,755,598 and 147,899,354 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	158	148
Additional paid-in capital	4,145,822	3,691,778
Accumulated other comprehensive loss	(64,496)	(55,243)
Distributions in excess of net income	(238,629)	(306,822)
Total Liberty Property Trust shareholders’ equity	3,842,855	3,329,861
Noncontrolling interest - operating partnership
Noncontrolling interest – operating partnership - 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308	61,471
Noncontrolling interest – consolidated joint ventures	280	5,440
Total equity	3,905,443	3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	7,338,732	6,934,394
Liberty Property Limited Partnership
Real estate:
Land and land improvements	1,393,474	1,236,514
Building and improvements	4,785,171	4,397,049
Less accumulated depreciation	(1,040,249)	(941,299)
Operating real estate	5,138,396	4,692,264
Development in progress	323,790	462,572
Land held for development	303,440	296,244
Net real estate	5,765,626	5,451,080
Cash and cash equivalents	514,882	84,923
Restricted cash	14,006	10,899
Accounts receivable	16,975	14,109
Deferred rent receivable	124,509	111,372
Deferred financing and leasing costs, net of accumulated amortization (September 30, 2019, $192,325; December 31, 2018, $165,553)	162,235	157,823
Investments in and advances to unconsolidated joint ventures	347,880	350,981
Assets held for sale	226,504	502,207
Right of use asset	17,664	0
Prepaid expenses and other assets	148,451	251,000
Total assets	7,338,732	6,934,394
LIABILITIES
Mortgage loans, net	297,326	395,202
Unsecured notes, net	2,633,941	2,285,698
Credit facilities	100,000	411,846
Accounts payable	54,953	62,943
Accrued interest	36,530	22,309
Dividend and distributions payable	65,921	60,560
Lease liabilities	18,379	0
Other liabilities	204,963	270,396
Liabilities held for sale	15,939	21,131
Total liabilities	3,427,952	3,530,085
Noncontrolling interest - operating partnership - 213,483 and 301,483 preferred units outstanding as of September 30, 2019 and December 31, 2018, respectively	5,337	7,537
EQUITY
General partner’s equity - 157,755,598 and 147,899,354 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	3,842,855	3,329,861
Limited partners’ equity – 3,494,049 and 3,520,205 common units outstanding as of September 30, 2019 and December 31, 2018, respectively	62,308	61,471
Noncontrolling interest - operating partnership
Noncontrolling interest – consolidated joint ventures	280	5,440
Total equity	3,905,443	3,396,772
Total liabilities, noncontrolling interest - operating partnership and equity	$ 7,338,732	$ 6,934,394