REGULATORY MATTERS (Tables)

3 Months Ended

Mar. 31, 2019

Banking And Thrift [Abstract]

Summary of Company's and Equity Bank's Capital Amounts and Ratios

The Company’s and Equity Bank’s capital amounts and ratios at March 31, 2019 and December 31, 2018 are presented in the table below.  Ratios provided for Equity Bancshares, Inc. represent the ratios of the Company on a consolidated basis.

	Actual					Minimum Required for Capital Adequacy Under Basel III Phase-In					Minimum Required for Capital Adequacy Under Basel III Fully Phased-In					To Be Well Capitalized Under Prompt Corrective Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
March 31, 2019
Total capital to risk weighted assets
Equity Bancshares, Inc.	$	342,072		11.87	%	$	302,543		10.50	%	$	302,543		10.50	%	$	N/A	N/A
Equity Bank		332,559		11.56	%		302,083		10.50	%		302,083		10.50	%		287,699		10.00	%
Tier 1 capital to risk weighted assets
Equity Bancshares, Inc.		315,732		10.96	%		244,916		8.50	%		244,916		8.50	%	N/A		N/A
Equity Bank		306,219		10.64	%		244,544		8.50	%		244,544		8.50	%		230,159		8.00	%
Common equity Tier 1 capital to risk weighted assets
Equity Bancshares, Inc.		301,398		10.46	%		201,695		7.00	%		201,695		7.00	%	N/A		N/A
Equity Bank		306,219		10.64	%		201,389		7.00	%		201,389		7.00	%		187,004		6.50	%
Tier 1 leverage to average assets
Equity Bancshares, Inc.		315,732		8.37	%		150,970		4.00	%		150,970		4.00	%	N/A		N/A
Equity Bank		306,219		8.12	%		150,809		4.00	%		150,809		4.00	%		188,511		5.00	%
December 31, 2018
Total capital to risk weighted assets
Equity Bancshares, Inc.	$	337,649		11.92	%	$	279,621		9.88	%	$	297,319		10.50	%	$	N/A	N/A
Equity Bank		338,180		11.96	%		279,244		9.88	%		296,918		10.50	%		282,779		10.00	%
Tier 1 capital to risk weighted assets
Equity Bancshares, Inc.		326,195		11.52	%		222,989		7.88	%		240,687		8.50	%	N/A		N/A
Equity Bank		326,726		11.55	%		222,688		7.88	%		240,362		8.50	%		226,223		8.00	%
Common equity Tier 1 capital to risk weighted assets
Equity Bancshares, Inc.		311,935		11.02	%		180,515		6.38	%		198,213		7.00	%	N/A		N/A
Equity Bank		326,726		11.55	%		180,271		6.38	%		197,945		7.00	%		183,806		6.50	%
Tier 1 leverage to average assets
Equity Bancshares, Inc.		326,195		8.60	%		151,731		4.00	%		151,731		4.00	%	N/A		N/A
Equity Bank		326,726		8.62	%		151,590		4.00	%		151,590		4.00	%		189,488		5.00	%