Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Total Common Shareholders' Equity	Noncontrolling Interests
Beginning Balance (in shares) at Dec. 31, 2021			14,129,519
Beginning Balance at Dec. 31, 2021		$ 1,226,855	$ 195	$ 925,387	$ 450,165	$ (312,573)	$ (964)	$ 1,062,210	$ 164,645
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		24,658			36,651			36,651	(11,993)
Dividends		(81,390)			(81,390)			(81,390)
Amortization/issuance of restricted stock (1)	[1]	114,048		114,048				114,048
Repurchase of common stock through share repurchase program (in shares)			(653,029)
Repurchase of common stock through share repurchase program		(92,945)				(92,945)		(92,945)
Issuance of treasury shares for restricted stock vestings (in shares)			854,668
Issuance of treasury shares for restricted stock vestings		0		(50,934)		50,934		0
Repurchase of common stock from employees (in shares)			(136,440)
Repurchase of common stock from employees		(20,927)				(20,927)		(20,927)
Shares reserved/issued for director compensation (in shares)			2,038
Shares reserved/issued for director compensation		253		253				253
Other comprehensive income/(loss)		(686)					(686)	(686)
Fund capital contributions/(distributions), net		(13,503)						0	(13,503)
Ending Balance (in shares) at Mar. 31, 2022			14,196,756
Ending Balance at Mar. 31, 2022		1,156,363	$ 195	988,754	405,426	(375,511)	(1,650)	1,017,214	139,149
Beginning Balance (in shares) at Dec. 31, 2021			14,129,519
Beginning Balance at Dec. 31, 2021		1,226,855	$ 195	925,387	450,165	(312,573)	(964)	1,062,210	164,645
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		$ 52,433
Repurchase of common stock through share repurchase program (in shares)		(1,068,387)
Repurchase of common stock through share repurchase program		$ (142,900)
Repurchase of common stock from employees (in shares)		(139,073)
Repurchase of common stock from employees		$ (21,300)
Ending Balance (in shares) at Jun. 30, 2022			13,792,668
Ending Balance at Jun. 30, 2022		1,177,635	$ 195	1,006,093	418,406	(425,095)	(2,960)	996,639	180,996
Beginning Balance (in shares) at Mar. 31, 2022			14,196,756
Beginning Balance at Mar. 31, 2022		1,156,363	$ 195	988,754	405,426	(375,511)	(1,650)	1,017,214	139,149
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		27,775			21,390			21,390	6,385
Dividends		(8,410)			(8,410)			(8,410)
Amortization/issuance of restricted stock (1)	[1]	17,612		17,612				17,612
Repurchase of common stock through share repurchase program (in shares)			(415,358)
Repurchase of common stock through share repurchase program		(49,991)				(49,991)		(49,991)
Issuance of treasury shares for restricted stock vestings (in shares)			10,207
Issuance of treasury shares for restricted stock vestings		0		(738)		738		0
Repurchase of common stock from employees (in shares)			(2,633)
Repurchase of common stock from employees		(331)				(331)		(331)
Shares reserved/issued for director compensation (in shares)			3,696
Shares reserved/issued for director compensation		465		465				465
Other comprehensive income/(loss)		(1,310)					(1,310)	(1,310)
Fund capital contributions/(distributions), net		35,462						0	35,462
Ending Balance (in shares) at Jun. 30, 2022			13,792,668
Ending Balance at Jun. 30, 2022		1,177,635	$ 195	1,006,093	418,406	(425,095)	(2,960)	996,639	180,996
Beginning Balance (in shares) at Dec. 31, 2022			13,673,064
Beginning Balance at Dec. 31, 2022		1,254,028	$ 195	1,044,719	453,311	(441,653)	(2,499)	1,054,073	199,955
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		33,446			25,634			25,634	7,812
Dividends		(50,861)			(50,861)			(50,861)
Amortization/issuance of restricted stock (1)	[1]	67,682		67,682				67,682
Issuance of treasury shares for restricted stock vestings (in shares)			1,584,696
Issuance of treasury shares for restricted stock vestings		0		(121,284)		121,284		0
Repurchase of common stock from employees (in shares)			(426,031)
Repurchase of common stock from employees		(60,831)				(60,831)		(60,831)
Shares reserved/issued for director compensation (in shares)			1,398
Shares reserved/issued for director compensation		192		192				192
Other comprehensive income/(loss)		955					955	955
Fund capital contributions/(distributions), net		(5,048)						0	(5,048)
Ending Balance (in shares) at Mar. 31, 2023			14,833,127
Ending Balance at Mar. 31, 2023		1,239,563	$ 195	991,309	428,084	(381,200)	(1,544)	1,036,844	202,719
Beginning Balance (in shares) at Dec. 31, 2022			13,673,064
Beginning Balance at Dec. 31, 2022		1,254,028	$ 195	1,044,719	453,311	(441,653)	(2,499)	1,054,073	199,955
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		$ 48,077
Repurchase of common stock through share repurchase program (in shares)		0
Repurchase of common stock through share repurchase program		$ 0
Repurchase of common stock from employees (in shares)		(447,454)
Repurchase of common stock from employees		$ (63,700)
Ending Balance (in shares) at Jun. 30, 2023			15,078,165
Ending Balance at Jun. 30, 2023		1,258,471	$ 195	977,483	418,767	(362,928)	(765)	1,032,752	225,719
Beginning Balance (in shares) at Mar. 31, 2023			14,833,127
Beginning Balance at Mar. 31, 2023		1,239,563	$ 195	991,309	428,084	(381,200)	(1,544)	1,036,844	202,719
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income/(loss)		14,631			3,954			3,954	10,677
Dividends		(13,271)			(13,271)			(13,271)
Amortization/issuance of restricted stock (1)	[1]	6,693		6,693				6,693
Issuance of treasury shares for restricted stock vestings (in shares)			261,531
Issuance of treasury shares for restricted stock vestings		0		(21,158)		21,158		0
Repurchase of common stock from employees (in shares)			(21,423)
Repurchase of common stock from employees		(2,886)				(2,886)		(2,886)
Shares reserved/issued for director compensation (in shares)			4,930
Shares reserved/issued for director compensation		639		639				639
Other comprehensive income/(loss)		779					779	779
Fund capital contributions/(distributions), net		12,323						0	12,323
Ending Balance (in shares) at Jun. 30, 2023			15,078,165
Ending Balance at Jun. 30, 2023		$ 1,258,471	$ 195	$ 977,483	$ 418,767	$ (362,928)	$ (765)	$ 1,032,752	$ 225,719

[1] Includes amortization of restricted stock issued in conjunction with the Company's acquisitions.