BUSINESS SEGMENT RESULTS (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The business segment results are consistent with the Company’s internal reporting system and, in all material respects, with GAAP and practices predominant in the banking industry. The business segment results are summarized as follows:

	First Bank			Corporate, Other and Intercompany Reclassifications				ConsolidatedTotals
	March 31, 2014		December 31, 2013	March 31, 2014		December 31, 2013		March 31, 2014	December 31, 2013
	(dollars expressed in thousands)
Balance sheet information:
Investment securities	$	2,126,844	2,351,931	—		—		2,126,844	2,351,931
Total loans	2,890,981		2,857,095	—		—		2,890,981	2,857,095
FRB and FHLB stock	32,148		27,357	—		—		32,148	27,357
Total assets	5,836,010		5,865,160	54,549		53,823		5,890,559	5,918,983
Deposits	4,849,783		4,815,792	(7,352	)	(1,897	)	4,842,431	4,813,895
Securities sold under agreements to repurchase	36,713		43,143	—		—		36,713	43,143
Subordinated debentures	—		—	354,229		354,210		354,229	354,210
Stockholders’ equity	872,845		931,561	(375,539	)	(443,305	)	497,306	488,256

	First Bank					Corporate, Other and Intercompany Reclassifications				Consolidated Totals
	Three Months Ended					Three Months Ended				Three Months Ended
	March 31,					March 31,				March 31,
	2014			2013		2014		2013		2014		2013
	(dollars expressed in thousands)
Income statement information:
Interest income	$	42,189		43,986		—		—		42,189		43,986
Interest expense	2,051			2,473		3,798		3,676		5,849		6,149
Net interest income (loss)	40,138			41,513		(3,798	)	(3,676	)	36,340		37,837
Provision for loan losses	—			—		—		—		—		—
Net interest income (loss) after provision for loan losses	40,138			41,513		(3,798	)	(3,676	)	36,340		37,837
Noninterest income	14,559			15,284		116		111		14,675		15,395
Noninterest expense	42,993			43,863		(245	)	184		42,748		44,047
Income (loss) from continuing operations before provision (benefit) for income taxes	11,704			12,934		(3,437	)	(3,749	)	8,267		9,185
Provision (benefit) for income taxes	4,120			148		(1,203	)	217		2,917		365
Net income (loss) from continuing operations, net of tax	7,584			12,786		(2,234	)	(3,966	)	5,350		8,820
Loss from discontinued operations, net of tax	—			(2,064	)	—		—		—		(2,064	)
Net income (loss)	7,584			10,722		(2,234	)	(3,966	)	5,350		6,756
Net (loss) income attributable to noncontrolling interest in subsidiary	(55		)	46		—		—		(55	)	46
Net income (loss) attributable to First Banks, Inc.	$	7,639		10,676		(2,234	)	(3,966	)	5,405		6,710