6. OTHER INTANGIBLE ASSETS

A schedule of our intangible assets and liabilities and related accumulated amortization and accretion as of December 31, 2014 and 2013, is as follows:

	Assets															Liabilities
December 31, 2014	Acquired Above- Market Leases			Acquired In-Place Leases			Tax Abatement			Franchise Affiliation Fee			Acquired Below- Market Ground Lease			Acquired Below- Market Leases
	(in thousands)
Gross balance	$	2,402		$	22,680		$	4,273		$	3,936		$	11,685		$	(20,333	)
Accumulated amortization		(2,039	)		(16,470	)		(1,771	)		(2,981	)		(1,282	)		11,676

	$	363		$	6,210		$	2,502		$	955		$	10,403		$	(8,657	)


Average useful life (in years)		7			8			8			10			84			8

	Assets																		Liabilities
December 31, 2013	Acquired Above- Market Leases			Acquired In-Place Leases			Tax Abatement			Advance Bookings			Franchise Affiliation Fee			Acquired Below- Market Ground Lease			Acquired Below- Market Leases
	(in thousands)
Gross balance	$	4,145		$	22,593		$	4,273		$	251		$	3,936		$	11,685		$	(20,487	)
Accumulated amortization		(3,180	)		(16,411	)		(1,220	)		(61	)		(2,587	)		(1,142	)		11,687

	$	965		$	6,182		$	3,053		$	190		$	1,349		$	10,543		$	(8,800	)


Average useful life (in years)		7			7			8			1			10			84			8

The amortization of the above-market leases which decreased rental and other property income was $602,000, $888,000 and $1,003,000 for the years ended December 31, 2014, 2013 and 2012, respectively. The amortization of the below-market leases included in rental and other property income was $2,631,000, $3,058,000 and $3,814,000 for the years ended December 31, 2014, 2013 and 2012, respectively. The amortization of in-place leases included in depreciation and amortization expense was $2,368,000, $3,368,000 and $5,388,000 for the years ended December 31, 2014, 2013 and 2012, respectively. Included in depreciation and amortization expense is franchise affiliation fee amortization of $394,000 for each of the years ended December 31, 2014, 2013 and 2012, respectively. The amortization of advance bookings included in depreciation and amortization expense was $190,000, $61,000 and $0 for the years ended December 31, 2014, 2013 and 2012, respectively. Tax abatement amortization of $551,000 for each of the years ended December 31, 2014, 2013 and 2012, respectively, and the amortization of below-market ground lease obligation of $140,000 for each of the years ended December 31, 2014, 2013 and 2012, respectively, are included in rental and other property operating expenses.

A schedule of future amortization and accretion of acquisition related intangible assets and liabilities as of December 31, 2014, is as follows:

	Assets										Liabilities
Years Ending December 31,	Acquired Above- Market Leases		Acquired In-Place Leases		Tax Abatement		Franchise Affiliation Fee		Acquired Below- Market Ground Lease		Acquired Below- Market Leases
	(in thousands)
2015	$	241	$	1,841	$	551	$	394	$	140	$	(2,569	)
2016		88		1,346		551		394		140		(2,502	)
2017		26		915		551		167		140		(2,399	)
2018		8		666		551		—		140		(963	)
2019		—		488		298		—		140		(224	)
Thereafter		—		954		—		—		9,703		—

	$	363	$	6,210	$	2,502	$	955	$	10,403	$	(8,657	)