Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Income
Loans receivable	$ 59,727	$ 50,340	$ 54,738
Investment securities
Taxable	8,833	10,201	9,605
Tax exempt	3,968	4,073	4,148
Total interest income	72,528	64,614	68,491
Interest Expense
Deposits	6,206	8,346	10,711
Borrowed funds	6,166	6,334	8,476
Subordinated debentures	1,950	1,821	1,688
Total interest expense	14,322	16,501	20,875
Net Interest Income	58,206	48,113	47,616
Provision for loan losses	3,524	5,282	11,554
Net Interest Income after Provision for Loan Losses	54,682	42,831	36,062
Other Income
Service charges on deposit accounts	3,470	3,164	3,607
Wire transfer fees	892	619	756
Interchange fees	3,122	2,594	2,247
Fiduciary activities	3,997	3,983	3,979
Gain on sale of investment securities	2	1,777	533
Gain on sale of mortgage loans	14,123	6,449	7,538
Mortgage servicing income net of impairment	234	267	(565)
Increase in cash value of bank owned life insurance	1,025	891	803
Death benefit on bank owned life insurance		453
Other income	466	102	1,008
Total other income	27,331	20,299	19,906
Other Expenses
Salaries and employee benefits	28,383	22,875	22,090
Net occupancy expenses	4,529	4,267	4,195
Data processing	2,717	2,006	1,925
Professional fees	1,990	1,497	1,701
Outside services and consultants	2,313	1,741	1,694
Loan expense	4,276	3,586	3,208
FDIC insurance expense	1,108	1,220	1,635
Other losses	619	2,383	504
Other expenses	8,089	6,572	5,619
Total other expenses	54,024	46,147	42,571
Income Before Income Tax	27,989	16,983	13,397
Income tax expense	8,446	4,186	2,942
Net Income	19,543	12,797	10,455
Preferred stock dividend and discount accretion	(481)	(1,325)	(1,406)
Net Income Available to Common Shareholders	$ 19,062	$ 11,472	$ 9,049
Basic Earnings Per Share	$ 2.39	$ 1.55	$ 1.23
Diluted Earnings Per Share	$ 2.30	$ 1.51	$ 1.21