Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 44,397	$ 13,573
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	19,299	5,054
Other non-cash adjustments	139
Stock-based compensation	2,488	1,841
Amortization of discounts on short-term investments	(2,499)	(2,870)
Amortization of debt discounts and issuance costs	1,521	1,181
Changes in assets and liabilities
Other assets, net	(364)	46
Accounts payable and accrued expenses	(2,095)	(924)
Rent received in advance and tenant security deposits	13,692	7,185
Net cash provided by operating activities	76,578	25,086
Cash flows from investing activities
Purchases of investments in real estate	(182,086)	(107,644)
Reimbursements of tenant improvements and construction funding	(210,114)	(43,767)
Deposits in escrow for acquisitions		(500)
Purchases of short-term investments	(668,576)	(249,015)
Maturities of short-term investments	339,492	163,500
Net cash used in investing activities	(721,284)	(237,426)
Cash flows from financing activities
Issuance of common stock, net of offering costs	741,120	185,687
Net proceeds from issuance of exchangeable senior notes	0	138,545
Dividends paid to common stockholders	(49,476)	(13,718)
Dividends paid to preferred stockholders	(1,014)	(1,014)
Taxes paid related to net share settlement of equity awards	(2,166)	(939)
Net cash provided by financing activities	688,464	308,561
Net increase in cash, cash equivalents and restricted cash	43,758	96,221
Cash, cash equivalents and restricted cash, beginning of period	117,316	13,050
Cash, cash equivalents and restricted cash, end of period	161,074	109,271
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	5,391	3,056
Supplemental disclosure of non-cash investing and financing activities:
Accrual for reimbursements of tenant improvements and construction funding	30,583	12,700
Deposits applied for acquisitions	650
Accrual for common and preferred stock dividends declared	26,325	9,204
Accrual for stock issuance costs	14	$ 62
Exchange of exchangeable senior notes	$ 1