CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 34,319	$ 32,721
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,750	300
Depreciation of premises and equipment	2,737	2,535
Net amortization of premium and discount	1,802	1,149
Amortization of intangibles	966	571
Share-based compensation	1,634	1,640
Income from bank-owned life insurance	(2,110)	(1,480)
Net gains on loan sales and commissions on loans originated for others	(8,682)	(7,296)
Net gain on sale of portfolio loans	(135)	0
Equity in earnings (losses) of unconsolidated subsidiaries	265	224
Proceeds from sales of loans	370,526	365,533
Loans originated for sale	(369,746)	(345,322)
Change in fair value of contingent consideration liability	(898)	16
(Increase) decrease in other assets	(22,719)	2,683
Increase (decrease) in other liabilities	17,635	(5,075)
Net cash provided by operating activities	28,344	48,199
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(248,221)	(1,525)
Purchases of other investment securities available for sale	(70,495)	(63,229)
Maturities and principal payments of mortgage-backed securities available for sale	41,446	38,312
Maturities and principal payments of other investment securities available for sale	89,441	58,583
Maturities and principal payments of mortgage-backed securities held to maturity	3,029	3,893
Purchases of Federal Home Loan Bank stock	(12,933)	0
Net increase in loans	(95,759)	(88,680)
Net Proceeds from sale of portfolio loans	510	0
Purchases of loans	(77,180)	(2,877)
Proceeds from the sale of property acquired through foreclosure or repossession	731	637
Purchases of premises and equipment	(2,608)	(3,220)
Purchases of bank-owned life insurance	5,000	0
Proceeds from bank-owned life insurance	2,054	0
Cash used in business combination, net of cash acquired	0	1,671
Net cash used in investing activities	(374,985)	(59,777)
Cash flows from financing activities:
Net increase (decrease) in deposits	103,119	81,462
Proceeds from Federal Home Loan Bank advances	981,250	348,000
Repayment of Federal Home Loan Bank advances	(688,608)	(372,648)
Proceeds from stock option exercises and issuance of other equity instruments	282	946
Tax benefit from stock option exercises and other equity instruments	430	518
Cash dividends paid	(18,291)	(16,976)
Net cash provided by financing activities	378,182	41,302
Net increase in cash and cash equivalents	31,541	29,724
Cash and cash equivalents at beginning of period	97,631	80,350
Cash and cash equivalents at end of period	129,172	110,074
Noncash Investing and Financing Activities:
Loans charged off	4,390	1,401
Loans transferred to property acquired through foreclosure or repossession	1,045	491
Supplemental Disclosures:
Common stock issued for acquisition	0	5,430
Fair value of assets acquired, net of cash acquired	0	14,315
Fair value of liabilities assumed	0	7,214
Interest payments	16,093	16,690
Income tax payments	$ 14,860	$ 14,995