Other Assets, Net and Accounts Payable and Other Liabilities - Schedule of other assets and other liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Other Assets, Net:
Lease intangibles, net (Note 6)	$ 110,634	$ 115,939
Deferred charges, net	28,874	28,619
Prepaid expenses	16,116	18,422
Other receivables	5,757	5,058
Accrued interest receivable	18,139	17,046
Deposits	6,588	4,611
Due from seller	4,000	4,000
Deferred tax assets	2,032	2,032
Derivative financial instruments (Note 8)	3,528	7,018
Due from related parties	1,883	1,802
Corporate assets	1,837	1,953
Income taxes receivable	2,818	2,070
Other assets, net	202,206	208,570
Deferred Charges, Net:
Deferred leasing and other costs	46,285	45,011
Deferred financing costs related to line of credit	8,960	8,960
Deferred costs, gross	55,245	53,971
Accumulated amortization	(26,371)	(25,352)
Deferred charges, net	28,874	28,619
Accounts Payable and Other Liabilities:
Lease intangibles, net (Note 6)	86,819	95,045
Capital lease obligations		71,111
Finance lease, liability	76,993
Lease liability - operating leases, net (Note 11)	12,435
Accounts payable and accrued expenses	59,451	65,215
Deferred income	28,621	34,052
Tenant security deposits, escrow and other	11,185	10,588
Derivative financial instruments (Note 8)	17,374	7,304
Income taxes payable		19
Other	141	2,738
Accounts payable and other liabilities	$ 293,019	$ 286,072