Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES
Net income		$ 99,953	$ 25,455	$ 36,959
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of buildings and tenant improvements		54,548	51,549	43,671
Amortization of leasing costs, in-place lease intangibles and below market ground rents - operating leases		18,426	17,304	16,301
Accrued straight-line rental revenue		(6,178)	(4,938)	(5,927)
Amortization of leasing incentives and above or below-market rents		(1,070)	(1,065)	(814)
Amortization of right-of-use assets - finance leases		1,110	1,022	586
Accrued straight-line ground rent expense		119	236	100
Unrealized credit loss provision (release)		626	(792)	256
Adjustment for uncollectable lease accounts		515	945	3,842
Noncash stock compensation		3,273	2,230	2,378
Impairment charges		416	21,378	666
Noncash interest expense		6,828	2,878	2,204
Noncash loss on extinguishment of debt		3,374	3,810	0
Gain on real estate dispositions, net		(53,466)	(19,040)	(6,388)
Change in the fair value of derivatives and other		(8,698)	(2,182)	1,130
Changes in operating assets and liabilities:
Property assets		(12,029)	(3,721)	(5,960)
Property liabilities		2,960	7,175	6,677
Construction assets		(60,756)	19,284	(2,302)
Construction liabilities		71,642	(27,904)	13,708
Interest receivable		(4,735)	(2,440)	(15,908)
Net cash provided by operating activities		116,858	91,184	91,179
INVESTING ACTIVITIES
Development of real estate investments		(76,182)	(48,625)	(63,485)
Tenant and building improvements		(17,085)	(15,496)	(10,077)
Acquisitions of real estate investments, net of cash received		(119,739)	(73,595)	(35,151)
Dispositions of real estate investments, net of selling costs		252,270	85,322	96,459
Notes receivable issuances		(37,791)	(30,656)	(24,484)
Notes receivable paydowns		35,848	42,301	16,340
Leasing costs		(7,640)	(4,585)	(3,425)
Leasing incentives		(51)	(688)	(1,326)
Contributions to equity method investments		(62,872)	(11,607)	(1,078)
Net cash used for investing activities		(33,242)	(57,629)	(26,227)
FINANCING ACTIVITIES
Proceeds from issuance of cumulative redeemable perpetual preferred stock, net		0	0	101,460
Proceeds from issuance of common stock, net		65,159	51,677	19,650
Common shares tendered for tax withholding		(774)	(553)	(569)
Debt issuances, credit facility and construction loan borrowings		678,574	161,806	176,619
Debt and credit facility repayments, including principal amortization		(723,739)	(187,758)	(299,318)
Debt issuance costs		(8,316)	(2,831)	(609)
Cash paid on extinguishment of debt		0	(3,417)	0
Acquisition of NCI in consolidated RE investments		(4,651)	(804)	(5,002)
Redemption of operating partnership units		(130)	(2,949)	(2,729)
Distributions to noncontrolling interests		(5,756)	0	0
Contributions from noncontrolling interests		14	0	0
Dividends and distributions		(72,575)	(58,713)	(47,603)
Net cash used for financing activities		(72,194)	(43,542)	(58,101)
Net increase (decrease) in cash, cash equivalents, and restricted cash		11,422	(9,987)	6,851
Cash, cash equivalents, and restricted cash, beginning of period	[1]	40,443	50,430	43,579
Cash, cash equivalents, and restricted cash, end of period	[1]	51,865	40,443	50,430
Supplemental cash flow information:
Cash paid for interest		29,878	29,237	28,554
Cash refunded (paid) for income taxes		(1)	4	167
Increase (decrease) in dividends and distributions payable		2,532	5,492	(5,724)
Other liability issued in acquisition of noncontrolling interest in real estate investment		750	0	0
Common shares and OP units issued for acquisitions		0	0	6,099
Increase (decrease) in accrued capital improvements and development costs		110	15,111	(14,324)
Operating Partnership units redeemed for common shares		132	411	8,866
Note payable recorded for mandatorily redeemable partnership interest		0	0	3,829
Debt assumed at fair value in conjunction with real estate purchases		156,071	19,989	122,300
Note receivable extinguished in conjunction with real estate purchase		0	0	42,270
Equity method investment redeemed for a note receivable		3,772	0	0
Noncontrolling interest in acquired real estate entity		23,065	0	0
Note payable issued in acquisition of noncontrolling interest in real estate investment		0	0	6,130
Recognition of operating lease right-of-use assets		110	0	0
Recognition of operating lease liabilities		110	0	0
Recognition of finance lease right-of-use assets		0	24,466	0
Recognition of finance lease liabilities		0	27,940	0
De-recognition of operating lease ROU assets - lease termination		0	9,037	0
De-recognition of operating lease liabilities - lease termination		$ 0	$ 10,143	$ 0

[1] The following table sets forth the items from the Company's consolidated balance sheets that are included in cash, cash equivalents, and restricted cash in the consolidated statements of cash flows:  As of December 31, 20222021Cash and cash equivalents$48,139 $35,247  Restricted cash (a) 3,726 5,196 Cash, cash equivalents, and restricted cash$51,865 $40,443  (a) Restricted cash represents amounts held by lenders for real estate taxes, insurance, and reserves for capital improvements.