Mergers and Acquisitions (Details 3) (USD $) In Thousands, except Share data, unless otherwise specified					0 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Apr. 24, 2012 Peoples	Apr. 24, 2012 Peoples As previously recorded by acquiree	Apr. 24, 2012 Peoples Initial 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					16,568	4,702	11,669	197
Other assets					16,705	17,588	(883)
Total assets					492,199	509,292	(17,440)	347
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					7,045	4,291	2,054	700
Total liabilities					451,657	447,498	3,459	700
Net identifiable assets acquired over (under) liabilities assumed					40,542	61,794	(20,899)	(353)
Goodwill	319,180	101,286	66,895	62,888	4,007		3,654	353
Net assets acquired over 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					31,160	31,160
Cash paid for stock options outstanding					96	96
Cash paid for TARP preferred stock					13,293	13,293
Fair value of total consideration transferred					$ 44,549	$ 44,549
Income tax rate at which fair value adjustments are made to adjust deferred tax asset (as a percent)								35.80%