Parent Company Only Financial Statements Condensed balance sheets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Premises and equipment, net	$ 28,578	$ 29,670
Other assets	18,117	14,511
Total assets	1,605,498	1,578,032
Other liabilities	8,417	7,835
Total liabilities	1,456,117	1,421,345
Stockholders’ equity	149,381	156,687	140,967	112,265
Total liabilities and stockholders’ equity	1,605,498	1,578,032
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Cash	2,645	11,658
Premises and equipment, net	2,935	3,012
Investment in subsidiaries	164,311	162,674
Other assets	2,584	2,415
Total assets	172,475	179,759
Dividends payable	1,104	1,104
Debt	20,620	20,620
Other liabilities	1,370	1,348
Total liabilities	23,094	23,072
Stockholders’ equity	149,381	156,687
Total liabilities and stockholders’ equity	$ 172,475	$ 179,759