Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest income:
Loans receivable	$ 8,334	$ 8,754	$ 16,683	$ 17,415
Taxable securities available for sale	8,554	9,851	17,400	19,586
Tax free securities available for sale	1,665	1,592	3,312	3,148
FHLB Stock	6		16
Deposits with banks and federal funds sold	31	2	49	5
Total interest income	18,590	20,199	37,460	40,154
Interest expense:
Deposits	2,437	3,083	4,988	6,316
Borrowed funds	4,533	5,290	9,243	10,595
Junior subordinated notes and guaranteed preferred beneficial interest in subordinated debt	611	606	1,223	1,206
Total interest expense	7,581	8,979	15,454	18,117
Net interest income	11,009	11,220	22,006	22,037
Provision for loan losses	300	200	500	500
Net interest income after provision for loan losses	10,709	11,020	21,506	21,537
Noninterest income:
Fees and service charges	827	871	1,662	1,691
Gain on sale of loans available for sale	(1)	(1)	(1)	(6)
Increase of cash surrender value of bank owned life insurance	148	172	306	343
Net realized gain on securities available for sale		532	267	532
Total other-than-temporary impairment losses	(406)		(406)
Portion of loss recognized in other comprehensive income before taxes	375		375
Net impairment losses on investment securities	(31)		(31)
Net realized loss on derivatives	(269)	(744)	(400)	(868)
Income from real estate joint ventures	700	698	1,119	1,162
Other	164	150	339	301
Total noninterest income	1,538	1,678	3,261	3,167
Noninterest expense:
Compensation and employee benefits	4,325	4,101	8,683	8,322
Premises and equipment	717	633	1,434	1,357
Federal deposit insurance premiums	351	314	758	782
Data processing	594	578	1,183	1,150
Amortization of intangible assets	61	81	129	169
Advertising	144	158	283	236
Other	1,299	1,158	2,743	2,189
Total noninterest expense	7,491	7,023	15,213	14,205
Income before income taxes	4,756	5,675	9,554	10,499
Provision for income taxes	799	1,160	1,644	2,056
Net income before noncontrolling interest	3,957	4,515	7,910	8,443
Less: net income attributable to the noncontrolling interest	276	230	444	498
Net income attributable to ESB Financial Corporation	$ 3,681	$ 4,285	$ 7,466	$ 7,945
Net income per share
Basic	$ 0.26	$ 0.30	$ 0.52	$ 0.55
Diluted	$ 0.25	$ 0.29	$ 0.52	$ 0.55
Cash dividends declared per share	$ 0.10	$ 0.10	$ 0.20	$ 0.18
Weighted average shares outstanding	14,331,252	14,436,606	14,312,348	14,438,363
Weighted average shares and share equivalents outstanding	14,477,759	14,558,751	14,458,855	14,555,719