ServisFirst Bancshares, Inc. Annual report pursuant to Section 13 and 15(d)

Note 3 - Loans - Loans Modified During Period (Details)

Note 3 - Loans - Loans Modified During Period (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Modified Amortized Cost		$ 444
Percentage of total loans	0.37%
Number of Contracts		3
Pre- Modification Outstanding Recorded Investment		$ 444
Extended Maturity [Member]
Modified Amortized Cost	$ 42,315
Payment Deferral [Member]
Modified Amortized Cost	303
Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 42,618
Commercial Real Estate Portfolio Segment [Member]
Modified Amortized Cost		$ 444
Percentage of total loans	0.24%
Total payment deferral	$ 0
Number of Contracts		3
Pre- Modification Outstanding Recorded Investment		$ 444
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member]
Modified Amortized Cost	28,363
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral [Member]
Modified Amortized Cost	0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 28,363
Commercial Real Estate Portfolio Segment [Member] \| Minimum [Member]
Term extension (Year)	1 year
Commercial Real Estate Portfolio Segment [Member] \| Maximum [Member]
Term extension (Year)	65 years
Real Estate Portfolio Segment[Member]
Modified Amortized Cost		$ 0
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost		$ 0
Percentage of total loans	0.03%
Total payment deferral	$ 49
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Modified Amortized Cost		$ 0
Percentage of total loans	0.10%
Total payment deferral	$ 59
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Modified Amortized Cost		$ 0
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Modified Amortized Cost		$ 0
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	3,021
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Other Mortgages [Member]
Modified Amortized Cost	10,932
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	303
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	3,021
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	$ 11,234
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)	3 years
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Other Mortgages [Member]
Term extension (Year)	3 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)	60 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Other Mortgages [Member]
Term extension (Year)	36 years
Consumer Portfolio Segment [Member]
Modified Amortized Cost		$ 0
Number of Contracts		0
Pre- Modification Outstanding Recorded Investment		$ 0