CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Interest income:
Loans	$ 137,121	$ 121,720
Debt securities	19,861	14,286
Equity investments and other	4,620	3,028
Total interest income	161,602	139,034
Interest expense:
Deposits	59,855	21,330
Borrowed funds	15,523	18,902
Total interest expense	75,378	40,232
Net interest income	86,224	98,802
Provision for credit losses	591	3,013
Net interest income after provision for credit losses	85,633	95,789
Other income:
Bankcard services revenue	1,416	1,330
Net gain on sales of loans	357	20
Net gain (loss) on equity investments	1,923	(6,801)
Income from bank owned life insurance	1,862	1,281
Commercial loan swap income	138	701
Other	1,591	(229)
Total other income	12,286	2,073
Operating expenses:
Compensation and employee benefits	32,759	33,920
Occupancy	5,199	5,239
Equipment	1,130	1,205
Marketing	990	982
Federal deposit insurance and regulatory assessments	3,135	1,749
Data processing	5,956	6,154
Check card processing	1,050	1,281
Professional fees	2,732	5,098
Amortization of core deposit intangible	844	1,027
Branch consolidation expense, net	0	70
Merger related expenses	0	22
Other operating expense	4,877	4,562
Total operating expenses	58,672	61,309
Income before provision for income taxes	39,247	36,553
Provision for income taxes	10,637	8,654
Net income	28,610	27,899
Net (loss) income attributable to non-controlling interest	(57)	16
Net income attributable to OceanFirst Financial Corp.	28,667	27,883
Dividends on preferred shares	1,004	1,004
Net income available to common stockholders, basic	27,663	26,879
Net income available to common stockholders, diluted	$ 27,663	$ 26,879
Basic earnings per share (in dollars per share)	$ 0.47	$ 0.46
Diluted earnings per share (in dollars per share)	$ 0.47	$ 0.46
Average basic shares outstanding (in shares)	58,789	58,774
Average diluted shares outstanding (in shares)	58,791	58,918
Trust and asset management revenue
Other income:
Revenue	$ 526	$ 612
Fees and service charges
Other income:
Revenue	$ 4,473	$ 5,159