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

Annual report pursuant to Section 13 and 15(d)

Note 21 - Fair Value Measurement - Financial Assets and Financial Liabilities Carried at Fair Value on a Recurring Basis (Details)

Note 21 - Fair Value Measurement - Financial Assets and Financial Liabilities Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt securities available for sale	$ 590,184	$ 538,080
Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale	6,518	6,500
Fair Value, Measurements, Recurring [Member]
Debt securities available for sale	590,184	538,080
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt securities available for sale	583,666	531,580
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale	6,518	6,500
Fair Value, Measurements, Recurring [Member] \| US Treasury and Government [Member]
Debt securities available for sale	76,993	55,356
Fair Value, Measurements, Recurring [Member] \| US Treasury and Government [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| US Treasury and Government [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt securities available for sale	76,993	55,356
Fair Value, Measurements, Recurring [Member] \| US Treasury and Government [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed Securities [Member]
Debt securities available for sale	304,304	276,498
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt securities available for sale	304,304	276,498
Fair Value, Measurements, Recurring [Member] \| Collateralized Mortgage Backed Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Debt securities available for sale	105,994	134,849
Fair Value, Measurements, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt securities available for sale	105,994	134,849
Fair Value, Measurements, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| Corporate Debt Securities [Member]
Debt securities available for sale	102,893	71,377
Fair Value, Measurements, Recurring [Member] \| Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt securities available for sale
Fair Value, Measurements, Recurring [Member] \| Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt securities available for sale	96,375	64,877
Fair Value, Measurements, Recurring [Member] \| Corporate Debt Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt securities available for sale	$ 6,518	$ 6,500