Lease intangible assets (acquired in-place leases, above-market leases and below-market ground leases) and liabilities (acquired below-market leases), net of accumulated amortization, were $96.3 million and $11.9 million, respectively, as of June 30, 2019 and $123.7 million and $12.3 million, respectively, as of December 31, 2018. The following table summarizes the Company’s lease intangible assets and liabilities (in thousands):

June 30, 2019
	Gross		Accumulated
Lease Intangible Assets	Asset		Amortization			Balance
In-place leases, net	$	253,198	$	(160,355	)	$	92,843
Above-market leases, net		7,126		(3,637	)		3,489
Total	$	260,324	$	(163,992	)	$	96,332

	Gross		Accumulated
Lease Intangible Liabilities	Liability		Amortization			Balance
Below-market leases, net	$	16,816	$	(4,963	)	$	11,853
Total	$	16,816	$	(4,963	)	$	11,853

December 31, 2018
	Gross		Accumulated
Lease Intangible Assets	Asset		Amortization			Balance
In-place leases, net	$	266,897	$	(158,235	)	$	108,662
Below-market ground leases, net		11,766		(710	)		11,056
Above-market leases, net		8,338		(4,400	)		3,938
Total	$	287,001	$	(163,345	)	$	123,656

	Gross		Accumulated
Lease Intangible Liabilities	Liability		Amortization			Balance
Below-market leases, net	$	19,720	$	(7,439	)	$	12,281
Total	$	19,720	$	(7,439	)	$	12,281

Amortization of acquired below-market leases, net of acquired above-market leases, resulted in additional rental income of $0.1 million and $0.2 million for the three months ended June 30, 2019, and June 30, 2018, respectively and $0.2 million and $0.5 million for the six months ended June 30, 2019 and June 30, 2018, respectively. Future amortization of these intangibles is estimated to increase rental income as set forth below (in thousands):

Remainder of 2019	$	254
2020		326
2021		171
2022		141
2023		199

Amortization of an acquired below-market ground lease resulted in additional property expense of $51 thousand for each of the three months ended June 30, 2019, and June 30, 2018, respectively, and $0.1 million for the six months ended June 30, 2019 and June 30, 2018, respectively. Future amortization of the below-market ground lease is estimated to increase property expenses as set forth below (in thousands):

Remainder of 2019	$	101
2020		203
2021		203
2022		203
2023		203

Amortization of acquired in-place leases resulted in additional depreciation and amortization expense of $5.0 million and $35.2 million for the three months ended June 30, 2019 and June 30, 2018, respectively and $15.3 million and $53.3 million for the six months ended June 30, 2019 and June 30, 2018, respectively. Future estimated amortization of acquired in-place leases is set forth below (in thousands):

Remainder of 2019	$	7,806
2020		14,344
2021		13,808
2022		13,500
2023		12,683