Summarized Quarterly Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Total revenues	$ 208,568	$ 189,185	$ 191,072	$ 183,903	$ 152,377	$ 172,668	$ 152,709	$ 148,072	$ 772,728	$ 625,826	$ 581,798
Total expenses	198,691	190,783	175,367	178,748	165,569	173,806	151,132	155,115	743,589	645,622	595,585
Income (loss) before taxes from continuing operations	9,877	(1,598)	15,705	5,155	(13,192)	(1,138)	1,577	(7,043)	29,139	(19,796)	(3,330)
Less: provision (benefit) for income taxes	5,311	(649)	3,501	854	(4,431)	(611)	701	(1,568)	9,017	(5,909)	(12,562)
Net income (loss) from continuing operations	4,566	(949)	12,204	4,301	(8,761)	(527)	876	(5,475)	20,122	(13,887)	9,232
Income (loss) before taxes from discontinued operations					0	0	0	624	0	624	(6,222)
Gain on sale of discontinued operations					10,676	0	0	46,184	0	56,860	0
Less: Provision (benefit) for income taxes					1,387	0	0	12,327	0	13,714	(2,224)
Net income (loss) from discontinued operations					9,289	0	0	34,481	0	43,770	(3,998)
Net income (loss) before non-controlling interests					528	(527)	876	29,006	20,122	29,883	5,234
Less: net (loss) income attributable to non-controlling interests	419	508	458	376	363	91	50	5,446
Net Income (Loss) Attributable to Parent	$ 4,147	$ (1,457)	$ 11,746	$ 3,925	$ 165	$ (618)	$ 826	$ 23,560	$ 18,361	$ 23,933	$ 3,604
Common stock
Basic, continuing operations, net	$ 0.12	$ (0.04)	$ 0.33	$ 0.11	$ (0.25)	$ (0.02)	$ 0.02	$ (0.15)	$ 0.52	$ (0.38)	$ 0.22
Basic, discontinued operations, net	0.00	0.00	0.00	0.00	0.26	0.00	0.00	0.94	0.00	1.07	(0.10)
Basic earnings per share	0.12	(0.04)	0.33	0.11	0.01	(0.02)	0.02	0.79	0.52	0.69	0.12
Diluted, continuing operations, net	0.11	(0.04)	0.32	0.11	(0.25)	(0.02)	0.02	(0.15)	0.50	(0.38)	0.21
Diluted, discontinued operations, net	0.00	0.00	0.00	0.00	0.26	0.00	0.00	0.94	0.00	1.07	(0.10)
Diluted earnings per share	$ 0.11	$ (0.04)	$ 0.32	$ 0.11	$ 0.01	$ (0.02)	$ 0.02	$ 0.79	$ 0.50	$ 0.69	$ 0.11
Basic	34,562,219	34,552,171	34,527,230	34,673,054	35,921,632	36,402,129	36,593,154	29,861,496	34,578,292	34,715,852	29,134,190
Diluted	34,578,357	34,552,171	34,527,230	34,673,054	35,921,632	36,402,129	37,386,319	29,861,496	34,578,292	34,715,852	37,306,632