CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Cumulative Distributions in Excess of Net Income	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2020		210,560,815
Beginning balance at Dec. 31, 2020	$ 3,409,228	$ 2,106	$ 4,163,228	$ (716,195)	$ (39,911)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(99,126)			(99,126)
Other comprehensive income (loss)	23,737				23,737
Amortization of stock-based compensation	5,692		5,692
Common stock issuance, net (in shares)		10,263,289
Common stock issuance, net	172,715	$ 102	172,613
Common dividends	(129,183)			(129,183)
Ending balance (in shares) at Jun. 30, 2021		220,824,104
Ending balance at Jun. 30, 2021	3,383,063	$ 2,208	4,341,533	(944,504)	(16,174)
Beginning balance (in shares) at Mar. 31, 2021		215,930,202
Beginning balance at Mar. 31, 2021	3,503,404	$ 2,159	4,254,134	(746,516)	(6,373)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(132,573)			(132,573)
Other comprehensive income (loss)	(9,801)				(9,801)
Amortization of stock-based compensation	2,857		2,857
Common stock issuance, net (in shares)		4,893,902
Common stock issuance, net	84,591	$ 49	84,542
Common dividends	(65,415)			(65,415)
Ending balance (in shares) at Jun. 30, 2021		220,824,104
Ending balance at Jun. 30, 2021	3,383,063	$ 2,208	4,341,533	(944,504)	(16,174)
Beginning balance (in shares) at Dec. 31, 2021		230,398,655
Beginning balance at Dec. 31, 2021	3,379,530	$ 2,304	4,482,451	(1,095,204)	(10,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	57,407			57,407
Other comprehensive income (loss)	20,166				20,166
Amortization of stock-based compensation	3,856		3,856
Common stock issuance, net (in shares)		570,217
Common stock issuance, net	(4,062)	$ 6	(4,068)
Common dividends	(139,171)			(139,171)
Ending balance (in shares) at Jun. 30, 2022		230,968,872
Ending balance at Jun. 30, 2022	3,317,726	$ 2,310	4,482,239	(1,176,968)	10,145
Beginning balance (in shares) at Mar. 31, 2022		230,954,777
Beginning balance at Mar. 31, 2022	3,361,523	$ 2,310	4,481,634	(1,124,095)	1,674
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	16,805			16,805
Other comprehensive income (loss)	8,471				8,471
Amortization of stock-based compensation	1,183		1,183
Common stock issuance, net (in shares)		14,095
Common stock issuance, net	(578)		(578)
Common dividends	(69,678)			(69,678)
Ending balance (in shares) at Jun. 30, 2022		230,968,872
Ending balance at Jun. 30, 2022	$ 3,317,726	$ 2,310	$ 4,482,239	$ (1,176,968)	$ 10,145