Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
OPERATING ACTIVITIES
Net income	$ 55,877	$ 36,593	$ 35,588
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent revenue and amortization of lease intangibles	(11,489)	(17,634)	(31,242)
Depreciation and amortization	123,338	116,306	108,292
Amortization of debt issuance costs and debt fair value adjustments	2,581	2,753	1,477
Provision for uncollectable rental income	2,334	(2,289)	18,427
Early extinguishment of debt	0	4,271	0
Stock-based compensation expense	8,690	8,493	6,307
Other noncash interest expense	(1,477)	(1,098)	(1,330)
Other, net	(252)	1,314	(695)
Changes in operating assets and liabilities
Change in accounts receivable	(404)	2,273	(4,940)
Change in other assets	(723)	109	141
Change in accounts payable and accrued expenses	(1,237)	15,331	(2,108)
Change in security deposits payable	655	443	(1,726)
Change in other liabilities and deferred credits	1,179	1,464	(1,206)
Net cash provided by operating activities	179,072	168,329	126,985
INVESTING ACTIVITIES
Acquisition of real estate, net	(45,166)	(204,511)	0
Capital expenditures	(113,781)	(104,588)	(63,488)
Leasing commissions	(7,374)	(3,142)	(5,589)
Purchase of marketable securities	0	(47,760)	0
Sale of marketable securities	0	47,723	0
Net cash used in investing activities	(166,321)	(312,278)	(69,077)
FINANCING ACTIVITIES
Issuance of secured notes payable	75,000	0	0
Repayment of secured notes payable	(111,000)	0	(51,003)
Proceeds from unsecured line of credit	36,000	0	100,000
Repayment of unsecured line of credit	0	(100,000)	0
Repayment of unsecured notes payable	0	(155,375)	0
Proceeds from issuance of unsecured notes payable	0	494,675	0
Debt issuance costs	(3,697)	(5,075)	(125)
Dividends paid to common stock and unitholders	(98,248)	(88,936)	(76,510)
Shares withheld for employee taxes	(759)	(865)	(672)
Net cash (used in) provided by financing activities	(102,704)	144,424	(28,310)
Net (decrease) increase in cash, cash equivalents and restricted cash	(89,953)	475	29,598
Cash, cash equivalents and restricted cash, beginning of year	139,524	139,049	109,451
Cash, cash equivalents and restricted cash, end of year	49,571	139,524	139,049
Reconciliation of cash, cash equivalents and restricted cash
Cash and cash equivalents	49,571	139,524	137,333
Restricted cash	0	0	1,716
Total cash, cash equivalents and restricted cash shown in Statement of Cash Flows	$ 49,571	$ 139,524	$ 139,049