Parent Company Condensed Financial Information - Condensed Balance Sheets (Details) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2009
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Common Stock, Shares Authorized	33,333,333	33,333,333
Common stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	1,000,000	1,000,000
Assets:
Cash on deposit with bank subsidiary	$ 32,226	$ 36,125
Other assets	10,426	8,327
Total Assets	1,806,027	1,923,438	1,993,188
Liabilities and Shareholders' Equity:
Other liabilities	10,787	11,892
Shareholders' equity	184,470	170,794	140,586	147,457
Total	1,806,027	1,923,438
Parent Company
Assets:
Cash on deposit with bank subsidiary	1,889	5,212
Investment in subsidiary	215,562	199,680
Other investments	2,451	1,765
Other assets	108	351
Total Assets	220,010	207,008
Liabilities and Shareholders' Equity:
Dividends payable	177	183
Other liabilities	35,363	36,031
Shareholders' equity	184,470	170,794
Total	$ 220,010	$ 207,008