Note 14 - Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

	Actual					For Capital Adequacy Purposes					To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
As of December 31, 2022:
CET I Capital to Risk Weighted Assets:
Consolidated	$	1,326,035		9.55	%	$	624,986		4.50	%		N/A		N/A
ServisFirst Bank		1,385,697		9.98	%		624,942		4.50	%	$	902,694		6.50	%
Tier I Capital to Risk Weighted Assets:
Consolidated		1,326,535		9.55	%		833,315		6.00	%		N/A		N/A
ServisFirst Bank		1,386,197		9.98	%		833,256		6.00	%		1,111,008		8.00	%
Total Capital to Risk Weighted Assets:
Consolidated		1,532,134		11.03	%		1,111,086		8.00	%		N/A		N/A
ServisFirst Bank		1,533,069		11.04	%		1,111,008		8.00	%		1,388,760		10.00	%
Tier I Capital to Average Assets:
Consolidated		1,326,535		9.29	%		570,960		4.00	%		N/A		N/A
ServisFirst Bank		1,386,197		9.71	%		570,924		4.00	%		713,656		5.00	%
As of December 31, 2021:
CET I Capital to Risk Weighted Assets:
Consolidated	$	1,123,826		9.95	%	$	508,065		4.50	%		N/A		N/A
ServisFirst Bank		1,185,161		10.50	%		508,007		4.50	%	$	733,787		6.50	%
Tier I Capital to Risk Weighted Assets:
Consolidated		1,124,326		9.96	%		677,420		6.00	%		N/A		N/A
ServisFirst Bank		1,185,661		10.50	%		677,342		6.00	%		903,123		8.00	%
Total Capital to Risk Weighted Assets:
Consolidated		1,306,992		11.58	%		903,226		8.00	%		N/A		N/A
ServisFirst Bank		1,303,621		11.55	%		903,123		8.00	%		1,128,903		10.00	%
Tier I Capital to Average Assets:
Consolidated		1,124,326		7.39	%		608,880		4.00	%		N/A		N/A
ServisFirst Bank		1,185,661		7.79	%		608,826		4.00	%		761,033		5.00	%