Operating Segments (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Summary of Operating Results by Segment

Summarized operating results by segment were as follows:

	Banking		Frost  Wealth Advisors		Non-Banks		Consolidated
Revenues from (expenses to) external customers:
Three months ended:
June 30, 2020	$	290,185	$	35,604	$	(2,377)	$	323,412
June 30, 2019	302,747		36,164		(2,842)		336,069
Six months ended:
June 30, 2020	$	709,614	$	76,211	$	(4,977)	$	780,848
June 30, 2019	611,360		73,515		(5,552)		679,323
Net income (loss):
Three months ended:
June 30, 2020	$	92,492	$	3,925	$	(3,345)	$	93,072
June 30, 2019	110,893		4,897		(4,204)		111,586
Six months ended:
June 30, 2020	$	144,516	$	9,512	$	(6,203)	$	147,825
June 30, 2019	223,810		11,297		(7,025)		228,082