Consolidated Statements of Financial Position - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Cash and cash equivalents:
Cash and cash due from banks	$ 167,054	$ 144,892	$ 139,023
Interest-bearing deposits with the Federal Reserve Bank and other banks	47,980	38,128	1,271
Total cash and cash equivalents	215,034	183,020	140,294
Investment securities:
Available-for-sale, at fair value	685,706	748,864	615,975
Held-to-maturity (fair value - $466,578 at June 30, 2015, $315,740 at December 31, 2014 and $303,961 at June 30, 2014)	469,837	316,413	308,130
Total investment securities	1,155,543	1,065,277	924,105
Loans held-for-sale, at fair value	7,798	9,128	6,329
Loans	7,034,743	5,688,230	4,898,804
Allowance for loan losses	(74,941)	(75,683)	(77,793)
Net loans	6,959,802	5,612,547	4,821,011
Premises and equipment (net of accumulated depreciation of $112,530 at June 30, 2015, $108,826 at December 31, 2014 and $104,225 at June 30, 2014)	111,968	97,496	74,291
Goodwill	285,512	180,128	120,164
Other intangible assets	41,201	33,080	12,454
Interest receivable and other assets	243,867	141,467	133,327
Total Assets	9,020,725	7,322,143	6,231,975
Deposits:
Noninterest-bearing	1,860,863	1,591,661	1,283,439
Interest-bearing	5,432,116	4,487,310	3,809,474
Total deposits	7,292,979	6,078,971	5,092,913
Interest payable and other liabilities	66,174	56,572	40,142
Short-term borrowings	532,291	389,467	305,422
Other Borrowings	148,490	0	0
Total liabilities	8,039,934	6,525,010	5,438,477
Shareholders’ equity:
Preferred Stock, No Par Value: Authorized – 2,000,000 shares at June 30, 2015 and 200,000 shares at both December 31, 2014 and June 30, 2014, none issued	0	0	0
Common Stock, $1 par value: Issued and outstanding — 38,110,136 shares at June 30, 2015, 32,774,420 shares at December 31, 2014 and 32,760,088 shares at June 30, 2014	38,110	32,774	32,760
Additional paid-in capital	722,329	565,166	563,393
Retained earnings	251,456	231,646	215,333
Accumulated other comprehensive loss	(31,104)	(32,453)	(17,988)
Total shareholders’ equity	980,791	797,133	793,498
Total Liabilities and Shareholders’ Equity	$ 9,020,725	$ 7,322,143	$ 6,231,975