ServisFirst Bancshares, Inc. Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Loans Modified During Period (Details)

Note 5 - Loans - Loans Modified During Period (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Percentage of total loans	0.22%	0.57%
Extended Maturity [Member]
Modified Amortized Cost	$ 25,642	$ 66,275
Payment Deferral [Member]
Modified Amortized Cost	0	0
Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 25,642	$ 66,275
Commercial Real Estate Portfolio Segment [Member]
Percentage of total loans	0.22%	0.34%
Total payment deferral	$ 0	$ 0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member]
Modified Amortized Cost	25,339	39,631
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral [Member]
Modified Amortized Cost	0	0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 25,339	$ 39,631
Commercial Real Estate Portfolio Segment [Member] \| Minimum [Member]
Term extension (Year)	3 years	3 years
Commercial Real Estate Portfolio Segment [Member] \| Maximum [Member]
Term extension (Year)	12 years	65 years
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Percentage of total loans		0.00%
Term extension (Year)		6 years
Total payment deferral	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Percentage of total loans	0.00%	0.10%
Total payment deferral	$ 0	$ 59
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Percentage of total loans		0.13%
Term extension (Year)	3 years
Total payment deferral	$ 0	$ 49
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Term extension (Year)		3 years
Total payment deferral	0	$ 0
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Construction Loans [Member]
Modified Amortized Cost		200
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Other Mortgages [Member]
Modified Amortized Cost	303	11,236
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost		15,208
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost		0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	0	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost		0
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost		200
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	$ 303	11,236
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost		$ 15,208
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Other Mortgages [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Other Mortgages [Member]
Term extension (Year)		36 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		60 years