CAPITAL AND REGULATORY MATTERS (Tables)

12 Months Ended

Dec. 31, 2015

REGULATORY MATTERS [Abstract]

Summary of Compliance with Regulatory Capital Requirements

	2015		2014
	Amount	Ratio	Amount	Ratio
	(Dollars in thousands)
Common Equity Tier 1 capital (to risk-weighted assets)
BancorpSouth, Inc.	$    1,402,041	12.07%	NA	NA
BancorpSouth Bank	1,369,419	11.80	NA	NA
Tier 1 capital (to risk-weighted assets)
BancorpSouth, Inc.	1,425,239	12.27	$    1,351,807	13.27%
BancorpSouth Bank	1,369,419	11.80	1,298,449	12.76
Total capital (to risk-weighted assets)
BancorpSouth, Inc.	1,552,280	13.37	1,479,791	14.52
BancorpSouth Bank	1,496,460	12.90	1,426,433	14.02
Tier 1 leverage capital (to average assets)
BancorpSouth, Inc.	1,425,239	10.61	1,351,807	10.55
BancorpSouth Bank	1,369,419	10.23	1,298,449	10.17