PARENT COMPANY FINANCIALS ONLY (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Expenses
Interest expense	$ 5,666	$ 5,831	$ 5,880	$ 5,958	$ 5,935	$ 5,717	$ 5,798	$ 5,943	$ 23,336		$ 23,393		$ 28,672
Income tax benefit	2,786	5,299	4,285	4,114	3,127	3,687	3,238	4,621	16,484		14,673		17,148
Net income	10,588	14,655	12,758	12,252	9,968	11,601	8,874	12,183	50,254		42,627		45,436
Parent Company [Member]
Income
Dividends received from subsidiaries(1)									30,694	[1]	28,709	[1]	20,962	[1]
Interest income(2)									50	[2]	83	[2]	74	[2]
Total income									30,744		28,792		21,036
Expenses
Interest expense									4,122		3,795		3,820
Other expenses									15		6		1
Total expenses									4,137		3,801		3,821
Income before income taxes and equity in undistributed income of subsidiaries									26,607		24,991		17,215
Income tax benefit									(1,342)		(1,636)		(1,409)
Income of parent company									27,949		26,627		18,624
Equity in undistributed income of subsidiaries									22,305		16,000		26,812
Net income									50,254		42,627		45,436
Consolidation, Eliminations [Member]
Income
Dividends received from subsidiaries(1)									$ 30,600		$ 28,700		$ 20,900

[1] Income of $30.6 million, $28.7 million and $20.9 million eliminated in consolidation for the years ended December 31, 2013, 2012, and 2011, respectively.

[2] Entire balance eliminated in consolidation.