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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 3 - Loans (Details Textual)

v3.20.1

Note 3 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Note 3 - Loans (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Termination of Loan Guaratee, Close-out Payment	$ 7,400
Percentage of Fee on Commitment Balance		1.00%
Loans and Leases Receivable, Net Amount, Total		$ 7,184,867	$ 6,464,899
Financing Receivable, Troubled Debt Restructuring		3,400	14,600
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		900	$ 4,300
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring		$ 300
Loans Formerly Enrolled In Loan Guarantee Program [Member]
Number of Loans Outstanding		71
Loans and Leases Receivable, Net Amount, Total		$ 42,200
Loans Formerly Enrolled In Loan Guarantee Program [Member] \| Pass [Member]
Loans and Leases Receivable, Net Amount, Total		37,000
Loans Formerly Enrolled In Loan Guarantee Program [Member] \| Special Mention [Member]
Loans and Leases Receivable, Net Amount, Total		$ 5,200

- Definition

Represents number of loans outstanding.

+ References

No definition available.

+ Details

Name:	sfbs_NumberOfLoansOutstanding
Namespace Prefix:	sfbs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents percentage of fee on commitment balance.

+ References

No definition available.

+ Details

Name:	sfbs_PercentageOfFeeOnCommitmentBalance
Namespace Prefix:	sfbs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of close-out payment related to the termination of a loan guarantee program.

+ References

No definition available.

+ Details

Name:	sfbs_TerminationOfLoanGuarateeCloseoutPayment
Namespace Prefix:	sfbs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

+ Details

Name:	us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

+ Details

Name:	us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=sfbs_LoansFormerlyEnrolledInLoanGuaranteeProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: