Condensed Financial Information (parent company only) (Tables)

12 Months Ended

Dec. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Schedule of Parent Company Information, Condensed Balance Sheets

Condensed Balance Sheets

	December 31, 2015		December 31, 2014
Assets
Cash	$	43,622	$	36,044
Investment in subsidiaries	932,372		820,123
Goodwill	448		448
Other assets	9,668		6,281
Total assets	$	986,110	$	862,896
Liabilities
Borrowings	$	127,663	$	126,702
Other liabilities	7,938		9,367
Total liabilities	135,601		136,069
Stockholders' equity	850,509		726,827
Total liabilities and stockholders' equity	$	986,110	$	862,896

Schedule of Parent Company Information, Condensed Statements of Income and Comprehensive Income

Condensed Statements of Income and Comprehensive Income

	December 31, 2015			December 31, 2014		December 31, 2013
Income
Dividends from subsidiaries	$	39,032		$	53,231	$	63,732
Gain on the sale of insurance subsidiary	8,265
Gain on cancellation of subordinated debentures	1,250
Other income	197			538		45
Total income	48,744			53,769		63,777
Expenses
Interest expense	6,661			6,616		3,531
Salaries and employee benefits	3,023			3,128		3,284
Net occupancy and equipment expenses	464			442		258
Other outside services	1,455			458		1,141
Professional services	636			409		648
Other expenses	1,234			1,132		870
Total expenses	13,473			12,185		9,732
Income before income tax benefit (expense) and equity in undistributed income of subsidiaries	35,271			41,584		54,045
Income tax benefit (expense)	(974		)	3,999		3,153
Income before equity in undistributed income of subsidiaries	34,297			45,583		57,198
Equity in undistributed (distributions in excess of) income of subsidiaries	31,087			14,579		(12,668		)
Net income	65,384			60,162		44,530
Preferred stock dividends and discount accretion						(2,380		)
Net income available to common stockholders	$	65,384		$	60,162	$	42,150
Net income	$	65,384		$	60,162	$	44,530
Other comprehensive income (loss)	268			4,780		(911		)
Comprehensive income	$	65,652		$	64,942	$	43,619

Schedule of Parent Company Information, Condensed Statement of Cash Flows

Condensed Statement of Cash Flows

	Year Ended December 31,
	2015			2014			2013
Cash Flow From Operating Activities:
Net income	$	65,384		$	60,162		$	44,530
Adjustments to Reconcile Net Income to Net Cash:
Share-based compensation	843			887			778
Distributions in excess of (equity in undistributed) income of subsidiaries	(31,087		)	(14,579		)	12,668
Gain on sale of insurance subsidiary	(8,265		)
Gain on cancellation of subordinated debentures	(1,250		)
Net Change in:
Other assets	(441		)	2,425			(1,354		)
Other liabilities	(1,486		)	1,466			(8,438		)
Investment in subsidiaries - operating activities	197			(4,517		)	12,991
Net cash provided by operating activities	23,895			45,844			61,175
Cash Flow From Investing Activities:
Net cash paid in acquisition	(14,500		)	(12,832		)
Proceeds from business divestitures	16,000
Other	575						240
Net cash provided (used) in investing activities	2,075			(12,832		)	240
Cash Flow From Financing Activities:
Cash dividends	(15,654		)	(10,694		)	(7,992		)
Repayment of borrowings	(3,750		)				(55,000		)
Proceeds from issuance of long-term debt							70,000
Preferred stock redemption under small business lending fund							(90,783		)
Stock issued under employee benefit plans	460			478			479
Stock issued under dividend reinvestment and stock purchase plan	661			523			325
Stock options exercised	1,531			564			115
Stock redeemed	(1,640		)	(1,067		)	(491		)
Net cash used by financing activities	(18,392		)	(10,196		)	(83,347		)
Cash, beginning of the year	36,044			13,228			35,160
Cash, end of year	$	43,622		$	36,044		$	13,228