Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Commercial real estate properties, at cost:
Land	$ 366,357	$ 365,540
Development costs	8,178	8,166
Building and improvements	3,280,657	3,177,743
Commercial real estate properties, at cost, gross	3,655,192	3,551,449
Less: accumulated depreciation	(1,250,062)	(1,137,267)
Commercial real estate properties, net	2,405,130	2,414,182
Assets held for sale	0	35,538
Cash and cash equivalents	346,620	264,434
Restricted cash	60,336	50,244
Tenant and other receivables	39,836	24,102
Deferred rent receivables	255,628	240,188
Prepaid expenses and other assets	98,167	98,114
Deferred costs, net	172,457	187,570
Acquired below-market ground leases, net	321,241	329,073
Right of use assets	28,439	28,670
Goodwill	491,479	491,479
Total assets	4,219,333	4,163,594
Liabilities:
Mortgage notes payable, net	877,388	883,705
Senior unsecured notes, net	973,872	973,659
Unsecured term loan facilities, net	389,286	388,773
Unsecured revolving credit facility	0	0
Accounts payable and accrued expenses	99,756	80,729
Acquired below-market leases, net	13,750	17,849
Ground lease liabilities	28,439	28,670
Deferred revenue and other liabilities	70,298	76,091
Tenants’ security deposits	35,499	25,084
Liabilities related to assets held for sale	0	5,943
Total liabilities	2,488,288	2,480,503
Commitments and contingencies
Capital:
Total Empire State Realty OP, L.P.'s capital	1,715,638	1,667,625
Non-controlling interest in other partnerships	15,407	15,466
Total capital	1,731,045	1,683,091
Total liabilities and capital	4,219,333	4,163,594
Private Perpetual Preferred Units, Series 2019
Capital:
Private perpetual preferred units	21,936	21,936
Private Perpetual Preferred Units, Series 2014
Capital:
Private perpetual preferred units	8,004	8,004
Series PR Operating Partnership Units
Capital:
ESRT partners' capital (2,709 and 2,710 general partner operating partnership units and 160,337 and 158,420 limited partner operating partnership units outstanding at December 31, 2023 and 2022, respectively)	985,518	954,375
Limited partner operating partnership units	694,512	681,827
Series ES Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units	4,427	1,391
Series 60 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units	779	16
Series 250 Operating Partnership Units Limited Partners
Capital:
Limited partner operating partnership units	$ 462	$ 76

Empire State Realty OP, L.P. 10-K/A