Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings and Distributions	Total Stockholders’ Equity	Non-controlling Interests, Operating Partnership	Non-controlling Interests, Joint Venture
Proceeds from contribution by non-controlling interests in joint venture	$ 0
Balance at beginning of year at Dec. 31, 2018	$ 1,192,144	$ 94	$ 1,048	$ 1,185,310	$ (1,441)	$ 4,838	$ 1,189,849	$ 2,295	$ 0
Balance (in shares) at Dec. 31, 2018		9,400,000	104,783,179
Changes in equity
Common stock redemption of common units (in shares)	0
Dividends	$ (22,003)					(21,956)	(21,956)	(47)
Equity-based compensation	1,352		$ 4	1,345			1,349	3
Equity-based compensation (in shares)			370,826
Shares acquired for employee withholding requirements	$ (834)		$ (1)	(833)			(834)
Shares acquired for employee withholding requirements (in shares)	(73,892)		(73,892)
Other	$ (32)			(32)			(32)
Other comprehensive loss	(5,558)				(5,544)		(5,544)	(14)
Net income	12,900					12,877	12,877	23
Balance at end of year at Mar. 31, 2019	1,177,969	$ 94	$ 1,051	1,185,790	(6,985)	(4,241)	1,175,709	2,260	0
Balance (in shares) at Mar. 31, 2019		9,400,000	105,080,113
Proceeds from contribution by non-controlling interests in joint venture	577
Balance at beginning of year at Dec. 31, 2019	1,243,390	$ 94	$ 1,052	1,190,949	(16,034)	(2,283)	1,173,778	1,809	67,803
Balance (in shares) at Dec. 31, 2019		9,400,000	105,169,515
Changes in equity
Contribution by non-controlling interests in joint venture	$ 577								577
Common stock redemption of common units				46	(3)		43	(43)
Common stock redemption of common units (in shares)	4,956		4,956
Dividends	$ (22,790)					(22,263)	(22,263)	(37)	(490)
Equity-based compensation	1,475		$ 5	1,467			1,472	3
Equity-based compensation (in shares)			465,274
Shares acquired for employee withholding requirements	$ (469)		$ (1)	(468)			(469)
Shares acquired for employee withholding requirements (in shares)	(65,345)		(65,345)
Other	$ (30)			(30)			(30)
Other comprehensive loss	(19,044)				(19,007)		(19,007)	(37)
Net income	(16,214)					(15,322)	(15,322)	(37)	(855)
Balance at end of year at Mar. 31, 2020	$ 1,186,895	$ 94	$ 1,056	$ 1,191,964	$ (35,044)	$ (39,868)	$ 1,118,202	$ 1,658	$ 67,035
Balance (in shares) at Mar. 31, 2020		9,400,000	105,574,400