Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Commercial real estate properties, at cost:
Land	$ 366,364	$ 365,540
Development costs	8,178	8,166
Building and improvements	3,245,555	3,177,743
Commercial real estate properties, at cost	3,620,097	3,551,449
Less: accumulated depreciation	(1,217,967)	(1,137,267)
Commercial real estate properties, net	2,402,130	2,414,182
Assets held for sale	0	35,538
Cash and cash equivalents	353,999	264,434
Restricted cash	66,954	50,244
Tenant and other receivables	37,651	24,102
Deferred rent receivables	254,233	240,188
Prepaid expenses and other assets	82,918	98,114
Deferred costs, net	175,488	187,570
Acquired below-market ground leases, net	323,199	329,073
Right of use assets	28,496	28,670
Goodwill	491,479	491,479
Total assets	4,216,547	4,163,594
Liabilities:
Mortgage notes payable, net	878,757	883,705
Senior unsecured notes, net	973,819	973,659
Unsecured term loan facilities, net	389,158	388,773
Unsecured revolving credit facility	0	0
Accounts payable and accrued expenses	83,299	80,729
Acquired below-market leases, net	14,703	17,849
Ground lease liabilities	28,496	28,670
Deferred revenue and other liabilities	75,688	76,091
Tenants’ security deposits	39,307	25,084
Liabilities related to assets held for sale	0	5,943
Total liabilities	2,483,227	2,480,503
Commitments and contingencies
Empire State Realty Trust, Inc. stockholders' equity:
Preferred stock, $0.01 par value, 50,000 shares authorized, none issued or outstanding	0	0
Additional paid-in capital	1,058,537	1,055,184
Accumulated other comprehensive income	13,438	7,048
Retained deficit	(86,515)	(109,468)
Total Empire State Realty Trust, Inc. stockholders' equity	987,083	954,375
Non-controlling interests in the Operating Partnership	700,191	683,310
Non-controlling interests in other partnerships	16,106	15,466
Private perpetual preferred units:
Total equity	1,733,320	1,683,091
Total liabilities and equity	4,216,547	4,163,594
Class A Common Stock
Empire State Realty Trust, Inc. stockholders' equity:
Common stock	1,613	1,601
Class B Common Stock
Empire State Realty Trust, Inc. stockholders' equity:
Common stock	10	10
Private Perpetual Preferred Units, Series 2019
Private perpetual preferred units:
Private perpetual preferred units	21,936	21,936
Private Perpetual Preferred Units, Series 2014
Private perpetual preferred units:
Private perpetual preferred units	$ 8,004	$ 8,004