CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Interest income:
Interest and fees on loans	$ 43,103	$ 69,480	$ 143,023	$ 220,964
Investment securities	13,013	6,862	32,711	18,566
Federal Reserve Bank and Federal Home Loan Bank stock	340	466	1,075	1,542
Short-term investments	347	841	1,359	2,847
Total interest income	56,803	77,649	178,168	243,919
Interest expense:
Interest-bearing demand	246	343	824	1,070
Savings and money market	2,162	3,661	7,666	11,659
Time deposits of $100 or more	1,934	4,010	7,092	12,479
Other time deposits	3,183	6,320	11,406	20,183
Other borrowings	36	1,251	102	7,194
Subordinated debentures	3,408	3,410	10,076	9,710
Total interest expense	10,969	18,995	37,166	62,295
Net interest income	45,834	58,654	141,002	181,624
Provision for loan losses	19,000	37,000	52,000	162,000
Net interest income after provision for loan losses	26,834	21,654	89,002	19,624
Noninterest income:
Service charges on deposit accounts and customer service fees	10,236	11,044	29,972	31,958
Gain on loans sold and held for sale	2,520	4,081	3,928	7,321
Net gain (loss) on investment securities	4,165	(2)	5,282	553
Net gain (loss) on derivative instruments	7	(849)	(214)	(2,939)
Decrease in fair value of servicing rights	(4,370)	(3,375)	(6,739)	(6,239)
Loan servicing fees	2,035	2,184	6,404	6,742
Other	2,387	3,982	7,673	15,421
Total noninterest income	16,980	17,065	46,306	52,817
Noninterest expense:
Salaries and employee benefits	20,696	22,762	61,861	66,205
Occupancy, net of rental income	6,337	7,235	19,544	21,461
Furniture and equipment	2,875	3,484	9,351	11,023
Postage, printing and supplies	707	745	2,248	2,694
Information technology fees	6,452	6,786	19,560	21,182
Legal, examination and professional fees	2,833	3,372	9,115	9,756
Amortization of intangible assets	728	800	2,327	2,525
Advertising and business development	461	260	1,393	946
FDIC insurance	3,781	5,737	12,919	16,425
Write-downs and expenses on other real estate and repossessed assets	2,551	14,439	12,970	31,945
Other	10,716	22,765	22,974	36,227
Total noninterest expense	58,137	88,385	174,262	220,389
Loss from continuing operations before provision for income taxes	(14,323)	(49,666)	(38,954)	(147,948)
(Benefit) provision for income taxes	(11,581)	5,193	(11,457)	5,346
Net loss from continuing operations, net of tax	(2,742)	(54,859)	(27,497)	(153,294)
Income from discontinued operations, net of tax	0	6,430	696	11,884
Net loss	(2,742)	(48,429)	(26,801)	(141,410)
Less: net loss attributable to noncontrolling interest in subsidiary	(668)	(618)	(1,530)	(1,082)
Net loss attributable to First Banks, Inc.	(2,074)	(47,811)	(25,271)	(140,328)
Preferred stock dividends declared and undeclared	4,506	4,272	13,341	12,650
Accretion of discount on preferred stock	874	853	2,593	2,529
Net loss available to common stockholders	$ (7,454)	$ (52,936)	$ (41,205)	$ (155,507)
Basic and diluted loss per common share from continuing operations (in dollars per share)	$ (315.01)	$ (2,509.02)	$ (1,770.84)	$ (7,074.56)
Basic and diluted earnings per common share from discontinued operations (in dollars per share)	$ 0	$ 271.76	$ 29.42	$ 502.26
Basic and diluted loss per common share (in dollars per share)	$ (315.01)	$ (2,237.26)	$ (1,741.42)	$ (6,572.30)
Weighted average shares of common stock outstanding (in shares)	23,661	23,661	23,661	23,661