Consolidated Statements of Shareholders' Equity and Temporary Equity (Unaudited) - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member] Series B Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member] Class B Preferred Units [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member] Series A Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Class B Preferred Units [Member]	Preferred Stock [Member] Series A Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Series B Preferred Stock [Member]	Total
Balance (in shares) at Dec. 31, 2021									3,188,533			14,804,408
Balance at Dec. 31, 2021	$ 0	$ 0	$ 0	$ 0	$ 0	$ 8,582,000	$ 0	$ 8,582,000	$ 0	$ 99,650,000	$ 40,000,000	$ 0	$ 227,763,000	$ 60,236,000	$ (500,000)		$ 287,499,000
Accretion of discount associated with issuance of subsidiary equity									0	75,000	0	0	(75,000)	0	0		(75,000)
Preferred dividends									$ 0	0	0	$ 0	(6,131,000)	0	0		(6,131,000)
Stock option exercises and proceeds related thereto (in shares)									0			1,000,534
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	2,788,000	0	0		2,788,000
Compensatory stock issuances, net of forfeitures (in shares)									0			113,165
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Contributions by owners of noncontrolling interests									0	0	0	0	0	0	4,000		4,000
Stock-based compensation costs									0	0	0	0	1,111,000	0	0		1,111,000
Net income (loss)									$ 0	0	0	$ 0	0	45,010,000	(255,000)		44,755,000
Redemption and retirement of shares (in shares)									0			(1,005,212)
Redemption and retirement of shares									$ 0	0	0	$ 0	(65,214,000)	0	0		(65,214,000)
Balance (in shares) at Mar. 31, 2022									3,188,533			14,912,895
Balance at Mar. 31, 2022									$ 0	99,725,000	40,000,000	$ 0	160,242,000	113,828,000	(751,000)		273,319,000
Balance (in shares) at Dec. 31, 2021									3,188,533			14,804,408
Balance at Dec. 31, 2021	$ 0	$ 0	$ 0	$ 0	$ 0	$ 8,582,000	$ 0	$ 8,582,000	$ 0	99,650,000	40,000,000	$ 0	227,763,000	60,236,000	(500,000)		$ 287,499,000
Redemption and retirement of shares (in shares)																(3,500)	(1,674,141)
Redemption and retirement of shares																$ (70,000)	$ (88,938,000)
Balance (in shares) at Sep. 30, 2022									3,193,262			14,445,295
Balance at Sep. 30, 2022									$ 0	99,875,000	40,000,000	$ 0	127,025,000	180,424,000	(1,180,000)		306,269,000
Balance (in shares) at Mar. 31, 2022									3,188,533			14,912,895
Balance at Mar. 31, 2022									$ 0	99,725,000	40,000,000	$ 0	160,242,000	113,828,000	(751,000)		273,319,000
Accretion of discount associated with issuance of subsidiary equity									0	75,000	0	0	(75,000)	0	0		(75,000)
Preferred dividends									$ 0	0	0	$ 0	(6,182,000)	0	0		(6,182,000)
Stock option exercises and proceeds related thereto (in shares)									0			3,402
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	33,000	0	0		33,000
Compensatory stock issuances, net of forfeitures (in shares)									0			(183)
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Stock-based compensation costs									0	0	0	0	1,186,000	0	0		1,186,000
Net income (loss)									$ 0	0	0	$ 0	0	34,025,000	(228,000)		33,797,000
Redemption and retirement of shares (in shares)									0			(355,036)
Redemption and retirement of shares									$ 0	0	0	$ 0	(12,861,000)	0	0		(12,861,000)
Balance (in shares) at Jun. 30, 2022									3,188,533			14,561,078
Balance at Jun. 30, 2022									$ 0	99,800,000	40,000,000	$ 0	142,343,000	147,853,000	(979,000)		289,217,000
Accretion of discount associated with issuance of subsidiary equity									0	75,000	0	0	(75,000)	0	0		(75,000)
Discount associated with repurchase of preferred stock									0	0	0	0	18,000	0	0		18,000
Preferred dividends									$ 0	0	0	$ 0	(6,239,000)	0	0		(6,239,000)
Stock option exercises and proceeds related thereto (in shares)									0			200,468
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	808,000	0	0		808,000
Compensatory stock issuances, net of forfeitures (in shares)									0			(2,358)
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Issuance of series B preferred stock, net (in shares)									8,229			0
Issuance of series B preferred stock, net									$ 0	0	0	$ 0	191,000	0	0		191,000
Stock-based compensation costs									$ 0	0	0	$ 0	930,000	0	0		930,000
Redemption and retirement of preferred shares (in shares)									(3,500)			0
Redemption and retirement of preferred shares									$ 0	0	0	$ 0	(88,000)	0	0		(88,000)
Redemption and retirement of common shares (in shares)									0			(313,893)
Redemption and retirement of common shares									$ 0	0	0	$ 0	(10,863,000)	0	0		(10,863,000)
Net income (loss)									$ 0	0	0	$ 0	0	32,571,000	(201,000)		$ 32,370,000
Redemption and retirement of shares (in shares)																(3,500)	(313,893)
Redemption and retirement of shares																$ (70,000)	$ (10,863,000)
Balance (in shares) at Sep. 30, 2022									3,193,262			14,445,295
Balance at Sep. 30, 2022									$ 0	99,875,000	40,000,000	$ 0	127,025,000	180,424,000	(1,180,000)		306,269,000
Balance (in shares) at Dec. 31, 2022									3,204,640			14,453,415
Balance at Dec. 31, 2022										99,950,000	40,000,000		121,996,000	204,415,000	(1,371,000)		325,040,000
Accretion of discount associated with issuance of subsidiary equity									$ 0	75,000	0	$ 0	(75,000)	0	0		(75,000)
Discount associated with repurchase of preferred stock									0	0	0	0	16,000	0	0		16,000
Preferred dividends									$ 0	0	0	$ 0	(6,168,000)	0	0		(6,168,000)
Stock option exercises and proceeds related thereto (in shares)									0			1,258
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	19,000	0	0		19,000
Compensatory stock issuances, net of forfeitures (in shares)									0			146,227
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Issuance of series B preferred stock, net (in shares)									51,327			0
Issuance of series B preferred stock, net									$ 0	0	0	$ 0	1,069,000	0	0		1,069,000
Contributions by owners of noncontrolling interests									0	0	0	0	0	0	4,000		4,000
Stock-based compensation costs									$ 0	0	0	$ 0	931,000	0	0		931,000
Redemption and retirement of preferred shares (in shares)									(1,806)			0
Redemption and retirement of preferred shares									$ 0	0	0	$ 0	(45,000)	0	0		(45,000)
Redemption and retirement of common shares (in shares)									0			(72,354)
Redemption and retirement of common shares									$ 0	0	0	$ 0	(1,947,000)	0	0		(1,947,000)
Net income (loss)									$ 0	0	0	$ 0	0	26,212,000	(318,000)		25,894,000
Balance (in shares) at Mar. 31, 2023									3,254,161			14,528,546
Balance at Mar. 31, 2023									$ 0	100,025,000	40,000,000	$ 0	115,796,000	230,627,000	(1,685,000)		344,738,000
Balance (in shares) at Dec. 31, 2022									3,204,640			14,453,415
Balance at Dec. 31, 2022										99,950,000	40,000,000		121,996,000	204,415,000	(1,371,000)		$ 325,040,000
Stock option exercises and proceeds related thereto (in shares)																	516,446
Redemption and retirement of shares (in shares)																(1,806)	(463,707)
Redemption and retirement of shares																$ (29,000)	$ (14,334,000)
Balance (in shares) at Sep. 30, 2023									3,256,561			14,651,321
Balance at Sep. 30, 2023									$ 0	100,175,000	40,000,000	$ 0	95,838,000	280,956,000	(2,227,000)		374,567,000
Balance (in shares) at Mar. 31, 2023									3,254,161			14,528,546
Balance at Mar. 31, 2023									$ 0	100,025,000	40,000,000	$ 0	115,796,000	230,627,000	(1,685,000)		344,738,000
Accretion of discount associated with issuance of subsidiary equity									0	75,000	0	0	(75,000)	0	0		(75,000)
Preferred dividends									$ 0	0	0	$ 0	(6,214,000)	0	0		(6,214,000)
Stock option exercises and proceeds related thereto (in shares)									0			5,160
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	40,000	0	0		40,000
Compensatory stock issuances, net of forfeitures (in shares)									0			(220)
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Issuance of series B preferred stock, net (in shares)									2,100			0
Issuance of series B preferred stock, net									$ 0	0	0	$ 0	43,000	0	0		43,000
Stock-based compensation costs									$ 0	0	0	$ 0	1,031,000	0	0		1,031,000
Redemption and retirement of common shares (in shares)									0			(105,447)
Redemption and retirement of common shares									$ 0	0	0	$ 0	(2,988,000)	0	0		(2,988,000)
Net income (loss)									$ 0	0	0	$ 0	0	25,089,000	(275,000)		24,814,000
Balance (in shares) at Jun. 30, 2023									3,256,261			14,428,039
Balance at Jun. 30, 2023									$ 0	100,100,000	40,000,000	$ 0	107,633,000	255,716,000	(1,960,000)		361,389,000
Accretion of discount associated with issuance of subsidiary equity									0	75,000	0	0	(75,000)	0	0		(75,000)
Preferred dividends									$ 0	0	0	$ 0	(6,266,000)	0	0		(6,266,000)
Stock option exercises and proceeds related thereto (in shares)									0			510,028
Stock option exercises and proceeds related thereto									$ 0	0	0	$ 0	3,031,000	0	0		3,031,000
Compensatory stock issuances, net of forfeitures (in shares)									0			(840)
Compensatory stock issuances, net of forfeitures									$ 0	0	0	$ 0	0	0	0		0
Issuance of series B preferred stock, net (in shares)									300			0
Issuance of series B preferred stock, net									$ 0	0	0	$ 0	6,000	0	0		6,000
Stock-based compensation costs									$ 0	0	0	$ 0	908,000	0	0		908,000
Redemption and retirement of common shares (in shares)									0			(285,906)
Redemption and retirement of common shares									$ 0	0	0	$ 0	(9,399,000)	0	0		(9,399,000)
Net income (loss)									$ 0	0	0	$ 0	0	25,240,000	(267,000)		$ 24,973,000
Redemption and retirement of shares (in shares)																0	(285,906)
Redemption and retirement of shares																$ 0	$ (9,399,000)
Balance (in shares) at Sep. 30, 2023									3,256,561			14,651,321
Balance at Sep. 30, 2023									$ 0	$ 100,175,000	$ 40,000,000	$ 0	$ 95,838,000	$ 280,956,000	$ (2,227,000)		$ 374,567,000