Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest and dividend income:
Loans, including fees	$ 97,548	$ 100,496	$ 92,691
Debt securities:
Taxable	6,349	6,072	8,733
Tax exempt	583	428	524
Dividends	387	105	27
Interest bearing cash at Federal Reserve and other banks	1,693	1,615	1,007
Total interest and dividend income	106,560	108,716	102,982
Interest expense:
Deposits	3,445	4,416	6,559
Other borrowings	4	1,604	2,420
Junior subordinated debt	1,247	1,324	1,259
Total interest expense	4,696	7,344	10,238
Net interest income	101,864	101,372	92,744
(Benefit from) provision for loan losses	(715)	9,423	23,060
Net interest income after provision for loan losses	102,579	91,949	69,684
Noninterest income:
Service charges and fees	25,257	23,925	23,944
Gain on sale of loans	5,602	6,810	3,037
Commissions on sale of non-deposit investment products	2,983	3,209	2,105
Increase in cash value of life insurance	1,727	1,820	1,885
Bargain purchase gain			7,575
Other	1,260	2,216	4,267
Total noninterest income	36,829	37,980	42,813
Noninterest expense:
Salaries and related benefits	51,936	49,952	44,203
Other	41,668	48,046	38,512
Total noninterest expense	93,604	97,998	82,715
Income before income taxes	45,804	31,931	29,782
Provision for income taxes	18,405	12,937	11,192
Net income	$ 27,399	$ 18,994	$ 18,590
Earnings per share:
Basic	$ 1.71	$ 1.19	$ 1.17
Diluted	$ 1.69	$ 1.18	$ 1.16