Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Cumulative Distributions in Excess of Earnings
Beginning balance at Dec. 31, 2019	$ 927,591	$ 951	$ 1,162,990	$ (236,350)
Beginning balance (in shares) at Dec. 31, 2019		95,103,270
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net	(90)		(90)
Vesting of restricted common stock, net of shares withheld for employee taxes	(1,986)	$ 1	(1,987)
Vesting of restricted common stock, net of shares withheld for employee taxes (in shares)		93,061
Amortization of stock-based compensation	884		884
Common dividends	(23,931)			(23,931)
Net income	19,325			19,325
Ending balance at Mar. 31, 2020	921,793	$ 952	1,161,797	(240,956)
Ending balance (in shares) at Mar. 31, 2020		95,196,331
Beginning balance at Dec. 31, 2020	914,142	$ 952	1,164,402	(251,212)
Beginning balance (in shares) at Dec. 31, 2020		95,215,797
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net	16,191	$ 7	16,184
Issuance of common stock, net, (in shares)		702,000
Vesting of restricted common stock, net of shares withheld for employee taxes	(1,330)	$ 1	(1,331)
Vesting of restricted common stock, net of shares withheld for employee taxes (in shares)		63,265
Amortization of stock-based compensation	1,585		1,585
Common dividends	(25,633)			(25,633)
Net income	20,486			20,486
Ending balance at Mar. 31, 2021	$ 925,441	$ 960	$ 1,180,840	$ (256,359)
Ending balance (in shares) at Mar. 31, 2021		95,981,062