CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Earnings Less Dividends	Accumulated Other Comprehensive Income (Loss)	Common Stock Held in Treasury at Cost
Beginning Balance, Values at Dec. 31, 2017	$ 239,444	$ 210	$ 206,227	$ 19,288	$ 13,719
Beginning Balance, Shares at Dec. 31, 2017		21,049,565
Cumulative effect upon adoption of ASU 2017-12				(1,403)	1,403
Net income (loss) attributable to common stockholders	10,064			10,064
Repurchase of common stock	(5,058)					$ (5,058)
Retirement of common stock held in treasury		$ (2)	(5,056)			$ 5,058
Retirement of common stock held in treasury, Shares		(203,953)
Vesting of stock-based compensation	915	$ 1	914
Vesting of stock-based compensation, Shares		80,743
Common stock dividends declared	(5,380)			(5,380)
Other comprehensive income (loss)	7,738				7,738
Ending Balance, Values at Mar. 31, 2018	247,723	$ 209	202,085	22,569	22,860
Ending Balance, Shares at Mar. 31, 2018		20,926,355
Beginning Balance, Values at Dec. 31, 2018	$ 296,028	$ 234	285,511	(6,764)	17,047
Beginning Balance, Shares at Dec. 31, 2018	23,499,635	23,499,635
Net income (loss) attributable to common stockholders	$ (4,360)			(4,360)
Vesting of stock-based compensation	1,070	$ 1	1,069
Vesting of stock-based compensation, Shares		143,642
Common stock dividends declared	(6,641)			(6,641)
Other comprehensive income (loss)	(5,648)				(5,648)
Adjustment to reflect redemption value of redeemable noncontrolling interests in the Operating Partnership	(126)			(126)
Ending Balance, Values at Mar. 31, 2019	$ 280,323	$ 235	$ 286,580	$ (17,891)	$ 11,399
Ending Balance, Shares at Mar. 31, 2019	23,643,277	23,643,277