Mergers and Acquisitions (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified				0 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Apr. 24, 2012 Peoples	Apr. 24, 2012 Peoples As previously recorded by acquiree	Apr. 24, 2012 Peoples Fair Value Adjustments	Apr. 24, 2012 Peoples Subsequent Fair Value Adjustments
Mergers and Acquisitions
Number of shares of common stock issued per share				0.1413
Assets
Cash and cash equivalents				$ 24,459	$ 24,459
Investment securities				175,892	176,334	(442)
Loans				234,245	262,858	(28,613)
Premises and equipment				13,296	10,094	3,240	(38)
Intangible assets				2,930		2,930
Other real estate owned and repossessed assets				8,104	13,257	(5,341)	188
Deferred tax asset				16,468	4,702	11,669	97
Other assets				16,705	17,588	(883)
Total assets				492,099	509,292	(17,440)	247
Deposits:
Noninterest-bearing				54,884	54,884
Interest-bearing				380,186	378,781	1,405
Total deposits				435,070	433,665	1,405
Other borrowings				9,542	9,542
Other liabilities				6,766	4,291	2,054	421
Total liabilities				451,378	447,498	3,459	421
Net identifiable assets acquired over (under) liabilities assumed				40,721	61,794	(20,899)	(174)
Goodwill	100,602	62,888	62,888	3,828		3,654	174
Net assets acquired over (under) liabilities assumed				44,549	61,794	(17,245)
Consideration:
SCBT Financial Corporation common shares issued				1,002,741	1,002,741
Purchase price per share of the Company's common stock (in dollars per share)					$ 31.06
Company common stock issued and cash exchanged for fractional shares				31,100	31,160
Stock options converted					96
Cash paid for TARP preferred stock				13,400	13,293
Fair value of total consideration transferred				$ 44,500	$ 44,549
Income tax rate at which purchase accounting adjustments are made to adjust deferred tax asset (as a percent)						35.80%