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

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details

SECURITIES (Amortized Cost And Fair Value Of Available For Sale And Held To Maturity Securities) (Detail)

v2.4.1.9

SECURITIES (Amortized Cost And Fair Value Of Available For Sale And Held To Maturity Securities) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Securities Available for Sale
Amortized Cost	$ 299,354	$ 291,403
Gross Unrealized Gain	8,325	7,246
Gross Unrealized Loss	(300)	(339)
Fair Value	307,379us-gaap_AvailableForSaleSecurities	298,310us-gaap_AvailableForSaleSecurities
Securities Held to Maturity
Amortized Cost	29,126	29,355
Gross Unrealized Gain	960	939
Gross Unrealized Loss	(200)	(320)
Fair Value	29,886	29,974
More than Ten years [Member]
Securities Available for Sale
Amortized Cost	350	350
Fair Value	383	358
Securities Held to Maturity
Amortized Cost	5,254	5,253
Fair Value	5,720	5,716
U.S. Treasury and Government Sponsored Agencies [Member]
Securities Available for Sale
Amortized Cost	54,167	50,363
Gross Unrealized Gain	1,146	775
Gross Unrealized Loss	(67)	0
Fair Value	55,246	51,138
Mortgage-Backed Securities [Member]
Securities Available for Sale
Amortized Cost	92,880	92,439
Gross Unrealized Gain	3,452	3,095
Gross Unrealized Loss	(68)	(11)
Fair Value	96,264	95,523
Securities Held to Maturity
Amortized Cost	23,574	23,804
Gross Unrealized Gain	470	449
Gross Unrealized Loss	(200)	(320)
Fair Value	23,844	23,933
State and Municipal Securities [Member]
Securities Available for Sale
Amortized Cost	136,465	132,780
Gross Unrealized Gain	3,538	3,211
Gross Unrealized Loss	(165)	(328)
Fair Value	139,838	135,663
Securities Held to Maturity
Amortized Cost	5,552	5,551
Gross Unrealized Gain	490	490
Gross Unrealized Loss	0	0
Fair Value	6,042	6,041
Corporate Debt [Member]
Securities Available for Sale
Amortized Cost	15,842	15,821
Gross Unrealized Gain	189	165
Gross Unrealized Loss	0	0
Fair Value	$ 16,031	$ 15,986

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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Amount of unrecognized gain before loss on investments in held-to-maturity securities.

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Amount of unrecognized loss before gain on investments in held-to-maturity securities. Excludes write-down for other than temporary impairment (OTTI).

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