Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Summarized Financial Information Reportable Segments

Summarized financial information concerning the Company’s reportable segments is shown in the following table. The “Other” column includes any income and expenses not allocated to reportable segments and corporate-related items, including the intercompany interest expense charge to the reporting segment.

	Year Ended December 31, 2021
(in thousands)	Retail		National Programs		Wholesale Brokerage		Services		Other			Total
Total revenues	$	1,767,938	$	701,850	$	403,417	$	178,860	$	(667	)	$	3,051,398
Investment income	$	278	$	550	$	155	$	3	$	113		$	1,099
Amortization	$	77,810	$	27,357	$	9,150	$	5,276	$	—		$	119,593
Depreciation	$	11,194	$	9,839	$	2,646	$	1,484	$	8,146		$	33,309
Interest expense	$	91,425	$	11,381	$	15,990	$	2,899	$	(56,714	)	$	64,981
Income before income taxes	$	334,377	$	242,334	$	94,845	$	28,257	$	63,010		$	762,823
Total assets	$	5,040,706	$	2,943,006	$	1,154,373	$	299,185	$	358,173		$	9,795,443
Capital expenditures	$	8,093	$	13,467	$	1,612	$	1,609	$	20,264		$	45,045

	Year Ended December 31, 2020
(in thousands)	Retail		National Programs		Wholesale Brokerage		Services		Other			Total
Total revenues	$	1,472,766	$	610,640	$	352,797	$	174,012	$	3,160		$	2,613,375
Investment income	$	163	$	756	$	184	$	—	$	1,708		$	2,811
Amortization	$	67,315	$	27,166	$	8,481	$	5,561	$	—		$	108,523
Depreciation	$	9,071	$	8,658	$	1,948	$	1,424	$	5,175		$	26,276
Interest expense	$	85,968	$	20,597	$	10,281	$	4,142	$	(62,015	)	$	58,973
Income before income taxes	$	262,245	$	182,892	$	93,593	$	27,994	$	57,375		$	624,099
Total assets	$	7,093,627	$	3,510,983	$	1,791,717	$	480,440	$	(3,910,275	)	$	8,966,492
Capital expenditures	$	13,175	$	7,208	$	3,324	$	1,424	$	45,569		$	70,700

	Year Ended December 31, 2019
(in thousands)	Retail		National Programs		Wholesale Brokerage		Services		Other			Total
Total revenues	$	1,367,261	$	518,384	$	310,087	$	193,781	$	2,658		$	2,392,171
Investment income	$	149	$	1,397	$	178	$	139	$	3,917		$	5,780
Amortization	$	63,146	$	25,482	$	11,191	$	5,479	$	—		$	105,298
Depreciation	$	7,390	$	6,791	$	1,674	$	1,229	$	6,333		$	23,417
Interest expense	$	87,295	$	16,690	$	4,756	$	4,404	$	(49,485	)	$	63,660
Income before income taxes	$	222,875	$	143,737	$	82,739	$	40,337	$	36,241		$	525,929
Total assets	$	6,413,459	$	3,110,368	$	1,390,250	$	481,336	$	(3,772,592	)	$	7,622,821
Capital expenditures	$	12,497	$	10,365	$	6,171	$	804	$	43,271		$	73,108