CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
OPERATING ACTIVITIES:
Net income	$ 82,386,000	$ 43,294,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,202,000	28,847,000
Stock-based compensation expense	5,951,000	5,785,000
Impairment charges	1,286,000
Gain on sale of real estate, net	(37,809,000)	(7,392,000)
Income from unconsolidated joint ventures	(1,127,000)	(1,041,000)
Income distributions from unconsolidated joint ventures	351,000
Straight-line rental adjustment (income)	963,000	(619,000)
Adjustment for collectability of lease incentives and rental income	256,000	758,000
Amortization of lease incentives	665,000	386,000
Provision for credit losses	1,454,000	59,000
Application of interest reserve	(4,348,000)
Amortization of debt issue costs	841,000	778,000
Non-cash interest related to contingent liabilities	841,000	778,000
Other non-cash items, net	(170,000)	4,000
Change in operating assets and liabilities
Lease incentives funded	(418,000)	(650,000)
Increase in interest receivable	(4,768,000)	(4,730,000)
Decrease in accrued interest payable	(625,000)	(1,044,000)
Net change in other assets and liabilities	(318,000)	5,146,000
Net cash provided by operating activities	72,772,000	69,581,000
INVESTING ACTIVITIES:
Investment in real estate properties	(51,815,000)
Investment in real estate developments	(105,000)
Investment in real estate capital improvements	(4,555,000)	(4,839,000)
Proceeds from sale of real estate, net	72,628,000	43,628,000
Investment in financing receivable	(61,661,000)
Investment in real estate mortgage loans receivable	(35,234,000)	(2,081,000)
Principal payments received on mortgage loans receivable	625,000	625,000
Investments in unconsolidated joint ventures		(5,676,000)
Advances and originations under notes receivable	(37,008,000)	(6,453,000)
Principal payments received on notes receivable	6,618,000	2,553,000
Net cash (used in) provided by investing activities	(110,507,000)	27,757,000
FINANCING ACTIVITIES:
Borrowings from revolving line of credit	194,000,000	92,500,000
Repayment of revolving line of credit	(153,900,000)	(48,000,000)
Proceeds from issuance of senior unsecured notes	75,000,000
Principal payments on senior unsecured notes	(43,160,000)	(32,160,000)
Proceeds from common stock issued	38,957,000
Distributions paid to stockholders	(68,202,000)	(68,051,000)
Contribution from non-controlling interests	50,000	9,000
Distributions paid to non-controlling interests	(1,170,000)	(271,000)
Financing costs paid	(1,162,000)	(35,000)
Cash paid for taxes in lieu of shares upon vesting of restricted stock and performance-based stock units	(1,355,000)	(3,573,000)
Other	(6,000)	(70,000)
Net cash provided by (used in) financing activities	39,052,000	(59,651,000)
Increase (decrease) in cash and cash equivalents	1,317,000	37,687,000
Cash and cash equivalents, beginning of period	5,161,000	7,772,000
Cash and cash equivalents, end of period	6,478,000	45,459,000
Supplemental disclosure of cash flow information:
Interest paid	22,391,000	20,708,000
Non-cash investing and financing transactions:
Contribution of financing receivable from non-controlling interest	14,325,000
Mortgage loan receivable reserve withheld at origination (See Footnote 2. Real Estate Investments)	102,000	142,000
Preferred return reserve related to investments in unconsolidated joint ventures (See Footnote 3. Investment in Unconsolidated Joint Ventures)		2,324,000
Accretion of interest reserve recorded as mortgage loan receivable (See Note 2. Real Estate Investments)	4,348,000
Increase in fair value of interest rate swap agreements (See Footnote 6. Debt Obligations)	$ 9,617,000
Notes receivable reserve withheld at origination (See Footnote 4. Notes Receivable)		$ 353,000