CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
OPERATING ACTIVITIES:
Net income	$ 20,359	$ 21,513
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,444	9,359
Stock-based compensation expense	1,376	1,259
Income from unconsolidated joint ventures	(631)	(445)
Income distributions from unconsolidated joint ventures	543	356
Straight-line rental income	(3,440)	(2,867)
Lease incentives funding	(380)	(3,441)
Amortization of lease incentives	540	527
Provision for doubtful accounts	8	(38)
Non-cash interest related to contingent liabilities	126	226
Other non-cash items, net	323	314
Increase in interest receivable	(1,406)	(1,185)
Decrease in accrued interest payable	(1,162)	(416)
Net change in other assets and liabilities	(4,107)	(4,112)
Net cash provided by operating activities	21,593	21,050
INVESTING ACTIVITIES:
Investment in real estate developments	(8,591)	(3,443)
Investment in real estate capital improvements	(534)	(742)
Capitalized interest	(259)	(170)
Investment in real estate mortgage loans receivable	(9,610)	(4,384)
Principal payments received on mortgage loans receivable	37	10,958
Investment in unconsolidated joint ventures	(380)	(914)
Payment of working capital reserve		(439)
Principal payments received on notes receivable		25
Net cash (used in) provided by investing activities	(19,337)	891
FINANCING ACTIVITIES:
Bank borrowings	24,000	3,500
Repayment of bank borrowings		(110,600)
Proceeds from issuance of senior unsecured notes		100,000
Principal payments on senior unsecured notes	(4,166)	(4,167)
Proceeds from common stock issued		14,578
Stock option exercises	123
Distributions paid to stockholders	(22,578)	(22,552)
Financing costs paid		(301)
Other	(1,064)	(1,658)
Net cash used in financing activities	(3,685)	(21,200)
(Decrease) increase in cash and cash equivalents	(1,429)	741
Cash and cash equivalents, beginning of period	5,213	7,991
Cash and cash equivalents, end of period	3,784	8,732
Supplemental disclosure of cash flow information:
Interest paid	$ 8,669	$ 7,574