Loans and Allowance for Loan Losses (Details 10) (Non-acquired loans, USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Loans and Allowance for Loan Losses
30-59 Days Past Due	$ 6,810	$ 7,056
60-89 Days Past Due	2,750	2,707
90+ Days Past Due	15,097	32,257
Total Past Due	24,657	42,020
Current	2,840,559	2,528,983
Total loans	2,865,216	2,571,003
Construction and land development
Loans and Allowance for Loan Losses
30-59 Days Past Due	557	812
60-89 Days Past Due	476	701
90+ Days Past Due	2,707	10,435
Total Past Due	3,740	11,948
Current	296,211	261,472
Total loans	299,951	273,420
Commercial non-owner occupied
Loans and Allowance for Loan Losses
30-59 Days Past Due	1,780	1,013
60-89 Days Past Due	1	572
90+ Days Past Due	2,684	3,605
Total Past Due	4,465	5,190
Current	286,706	284,881
Total loans	291,171	290,071
Commercial owner occupied
Loans and Allowance for Loan Losses
30-59 Days Past Due	457	1,141
60-89 Days Past Due	650	40
90+ Days Past Due	3,601	9,827
Total Past Due	4,708	11,008
Current	828,805	773,144
Total loans	833,513	784,152
Consumer owner occupied
Loans and Allowance for Loan Losses
30-59 Days Past Due	1,526	1,433
60-89 Days Past Due	1,107	241
90+ Days Past Due	2,621	4,045
Total Past Due	5,254	5,719
Current	542,916	428,784
Total loans	548,170	434,503
Home equity loans
Loans and Allowance for Loan Losses
30-59 Days Past Due	780	735
60-89 Days Past Due	214	170
90+ Days Past Due	422	395
Total Past Due	1,416	1,300
Current	255,723	253,984
Total loans	257,139	255,284
Commercial and industrial
Loans and Allowance for Loan Losses
30-59 Days Past Due	390	1,187
60-89 Days Past Due	105	513
90+ Days Past Due	370	549
Total Past Due	865	2,249
Current	320,959	277,514
Total loans	321,824	279,763
Other income producing property
Loans and Allowance for Loan Losses
30-59 Days Past Due	950	322
60-89 Days Past Due	19	278
90+ Days Past Due	2,634	3,253
Total Past Due	3,603	3,853
Current	139,601	129,860
Total loans	143,204	133,713
Consumer
Loans and Allowance for Loan Losses
30-59 Days Past Due	337	364
60-89 Days Past Due	142	151
90+ Days Past Due	28	112
Total Past Due	507	627
Current	135,903	86,307
Total loans	136,410	86,934
Other Loans
Loans and Allowance for Loan Losses
30-59 Days Past Due	33	49
60-89 Days Past Due	36	41
90+ Days Past Due	30	36
Total Past Due	99	126
Current	33,735	33,037
Total loans	$ 33,834	$ 33,163