CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Total Stockholders' Equity	Treasury Stock	Accumulated Other Comprehensive Loss	Additional Paid-in Capital	Retained Earnings (Deficit)	Non-controlling Interest	Common Class A Common Stock	Common Class B Common Stock
Balance at beginning of period (in shares) at Dec. 31, 2020			144					14,772	20,800
Balance at beginning of period at Dec. 31, 2020	$ 88,461	$ 64,854	$ (2,406)	$ (40)	$ 55,222	$ 11,721	$ 23,607	$ 148	$ 209
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	377	377			377
Consolidated net income	(27,560)	(7,631)				(7,631)	(19,929)
Distributions paid to non-controlling unit holders	(6,439)						(6,439)
Dividends paid	(2,651)	(2,651)			(2,651)
Dividends paid to Preferred Stockholders	(1,951)	(1,951)				(1,951)
Changes in ownership interest	0	(44)			(44)		44
Balance at end of period (in shares) at Mar. 31, 2021			144					14,772	20,800
Balance at end of period at Mar. 31, 2021	50,237	52,954	$ (2,406)	(40)	52,904	2,139	(2,717)	$ 148	$ 209
Balance at beginning of period (in shares) at Dec. 31, 2021			144					15,791	20,000
Balance at beginning of period at Dec. 31, 2021	50,351	53,352	$ (2,406)	(40)	54,663	776	(3,001)	$ 158	$ 201
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation	345	345			345
Restricted stock unit vesting (in shares)								13
Restricted stock unit vesting	(58)	(58)			(58)
Consolidated net income	31,025	12,973				12,973	18,052
Distributions paid to non-controlling unit holders	(3,678)						(3,678)
Dividends paid	(2,838)	(2,838)				(2,838)
Dividends paid to Preferred Stockholders	(1,951)	(1,951)				(1,951)
Changes in ownership interest	0	259			259		(259)
Balance at end of period (in shares) at Mar. 31, 2022			144					15,804	20,000
Balance at end of period at Mar. 31, 2022	$ 73,196	$ 62,082	$ (2,406)	$ (40)	$ 55,209	$ 8,960	$ 11,114	$ 158	$ 201