Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Commercial real estate properties, at cost:
Land	$ 201,196	$ 201,196
Development costs	7,989	7,987
Building and improvements	2,900,248	2,675,303
Commercial real estate properties, at cost, gross	3,109,433	2,884,486
Less: accumulated depreciation	(862,534)	(747,304)
Commercial real estate properties, net	2,246,899	2,137,182
Cash and cash equivalents	233,946	204,981
Restricted cash	37,651	65,832
Short-term investments	0	400,000
Tenant and other receivables, net of allowance of $488 in 2018	25,423	29,437
Deferred rent receivables, net of allowance of $19 in 2018	220,960	200,903
Prepaid expenses and other assets	65,453	64,345
Deferred costs, net	228,150	241,223
Acquired below market ground leases, net	352,566	360,398
Right of use assets	29,307
Goodwill	491,479	491,479
Total assets	3,931,834	4,195,780
Liabilities:
Mortgage notes payable, net	605,542	608,567
Senior unsecured notes, net	798,392	1,046,219
Unsecured term loan facility, net	264,640	264,147
Unsecured revolving credit facility	0	0
Accounts payable and accrued expenses	143,786	130,676
Acquired below market leases, net	39,679	52,450
Ground lease liabilities	29,307
Deferred revenue and other liabilities	72,015	44,810
Tenants’ security deposits	30,560	57,802
Total liabilities	1,983,921	2,204,671
Commitments and contingencies
Empire State Realty Trust, Inc. stockholders' equity:
Preferred stock, $0.01 par value per share, 50,000,000 shares authorized, none issued or outstanding	0	0
Additional paid-in capital	1,232,433	1,204,075
Accumulated other comprehensive loss	(21,496)	(8,853)
Retained earnings	15,764	41,511
Total Empire State Realty Trust, Inc.'s stockholders' equity	1,228,520	1,238,482
Non-controlling interests in operating partnership	690,242	744,623
Total equity	1,947,913	1,991,109
Total liabilities and equity	3,931,834	4,195,780
Class A Common Stock
Empire State Realty Trust, Inc. stockholders' equity:
Common stock	1,809	1,739
Class B Common Stock
Empire State Realty Trust, Inc. stockholders' equity:
Common stock	10	10
Private Perpetual Preferred Units, Series 2019
Empire State Realty Trust, Inc. stockholders' equity:
Series 2014 preferred units, $16.62 per unit liquidation preference, 1,560,360 issued and outstanding in 2019 and 2018	21,147
Private Perpetual Preferred Units, Series 2014
Empire State Realty Trust, Inc. stockholders' equity:
Series 2014 preferred units, $16.62 per unit liquidation preference, 1,560,360 issued and outstanding in 2019 and 2018	$ 8,004	$ 8,004