Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities
Net income	$ 6,646,000	$ 3,580,000
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	2,833,000	512,000
Accretion of acquired loans	(1,416,000)	0
Provision for loan losses	(400,000)	(1,900,000)
Stock-based compensation expense	212,000	118,000
Stock grants to directors for retainer fee	123,000	0
Proceeds from sales of mortgage loans held for sale	23,970,000	4,450,000
Origination of mortgage loans held for sale	(25,123,000)	(4,979,000)
Net gain from sales of mortgage loans held for sale	(703,000)	(52,000)
Net gain from sales and valuation write-down of foreclosed assets	(1,000)	(276,000)
Net gain from sales of fixed assets	(20,000)	0
Net gain from sales of available for sale securities	(5,000)	0
Earnings on bank owned life insurance	(287,000)	(290,000)
Net change in:
Accrued interest receivable	(713,000)	(212,000)
Other assets	1,150,000	611,000
Accrued interest and other liabilities	1,540,000	(1,001,000)
Net cash from operating activities	7,806,000	561,000
Cash flows from investing activities
Loan originations and payments, net	(27,224,000)	(12,939,000)
Purchases of securities available for sale	(1,800,000)	(11,672,000)
Proceeds from maturities, calls and repayments of securities available for sale	22,371,000	4,407,000
Proceeds from sales of securities available for sale	665,000	0
Proceeds from sales of foreclosed assets	754,000	777,000
Purchases of premises and equipment	(288,000)	(311,000)
Net cash for investing activities	(5,522,000)	(19,738,000)
Cash flows from financing activities
Net decrease in time deposits	(40,457,000)	(14,142,000)
Net increase in all other deposits	43,654,000	3,482,000
Net decrease in securities sold under agreements to repurchase	(19,350,000)	(6,140,000)
Maturities of Federal Home Loan Bank advances	(6,000,000)	0
Proceeds from stock option exercises	132,000	0
Employee stock purchase plan	10,000	0
Dividend reinvestment plan	140,000	0
Repurchase of common stock shares	(1,984,000)	0
Payment of cash dividends to common shareholders	(2,377,000)	(1,041,000)
Net cash for financing activities	(26,232,000)	(17,841,000)
Net change in cash and cash equivalents	(23,948,000)	(37,018,000)
Cash and cash equivalents at beginning of period	172,738,000	146,965,000
Cash and cash equivalents at end of period	148,790,000	109,947,000
Cash paid during the period for:
Interest	2,903,000	3,134,000
Federal income tax	950,000	0
Noncash financing and investing activities:
Transfers from loans to foreclosed assets	$ 422,000	$ 0