Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 property	Dec. 31, 2012 property
OREO
Balance at the beginning of the period	$ 32,248	$ 18,022
Additions	33,761	25,958
Write-downs	(7,831)	(5,633)
Sold	(25,895)	(21,309)
Balance at the end of the period	37,398	32,248
Number of properties uncovered	216	181
Covered OREO
Balance at the beginning of the period	34,257	65,849
Additions	20,559	20,631
Write-downs	(301)	(7,557)
Sold	(33,502)	(44,666)
Balance at the end of the period	27,520	34,257
Number of properties covered by loss share with the FDIC	264	251
Total
Balance at the beginning of the period	66,505	83,871
Additions	54,320	46,589
Write-downs	(8,132)	(13,190)
Sold	(59,397)	(65,975)
Balance at the end of the period	64,918	66,505
Number of properties held	480	432
Number of properties sold	693	970
Number of uncovered properties sold	236	148
Number of covered properties by loss share agreements with the FDIC sold	457	822
Carrying value of covered OREO assets	27,520	34,257
First Financial
OREO
Additions	5,115
Covered OREO
Additions	6,507
Total
Additions	11,622
Peoples
OREO
Additions		8,104
Total
Additions		8,104
Savannah
OREO
Additions		7,106
Total
Additions		$ 7,106
Habersham
Total
Percentage of loss covered under loss share agreements with the FDIC	80.00%
CBT
Total
Percentage of loss covered under loss share agreements with the FDIC	95.00%