Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

INTANGIBLE ASSETS [Abstract]

Intangible Assets

	Cost	Accumulated Amortization	Net Book Value
Favorable lease terms December 31, 2015	$      127,788	$      (72,449      )	$      55,339
Additions	—	(15,861      )	(15,861      )
Accelerated amortization	(44,072      )	23,546	(20,526      )
Favorable lease terms December 31, 2016	$      83,716	$      (64,764      )	$      18,952
Additions	27,457	(8,446      )	19,011
Favorable lease terms June 30, 2017	$      111,173	$                (73,210)	$      37,963

Amortization of Favorable Lease Terms

	Three Month Period Ended		Six Month Period Ended
	June 30, 2017	June 30, 2016	June 30, 2017	June 30, 2016
Favorable lease terms charter-out	$                 (5,275)	$      (4,405      )	$      (8,446      )	$      (8,519      )
Total	$      (5,275      )	$      (4,405)	$      (8,446      )	$      (8,519)

Aggregate Amortizations of Intangible Assets

Year	Amount
2018	$      26,551
2019	7,663
2020	1,166
2021	1,166
2022	1,166
2023 and thereafter	251
	$      37,963