Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES
Net Income	$ 12,912,000	$ 6,816,000	$ 2,079,000
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Net amortization and accretion of investments	1,001,000	765,000	820,000
Net amortization of deferred loan fees	55,000	203,000	405,000
Provision for loan losses	3,632,000	2,493,000	2,582,000
Depreciation and amortization	3,407,000	2,908,000	1,245,000
Stock based compensation	568,000	413,000	321,000
Loans originated for sale	(1,643,450,000)	(1,341,965,000)	(843,233,000)
Proceeds of loans sold	1,691,572,000	1,338,341,000	881,323,000
Mortgage fee income	(35,673,000)	(29,472,000)	(17,557,000)
Gain on sale of securities	(1,084,000)	(130,000)	(553,000)
Loss on sale of securities	2,000	0	140,000
Gain on sale of portfolio loans	(1,042,000)	(1,413,000)	(702,000)
Gain on sale of subsidiary	(6,926,000)	0	0
Income on bank owned life insurance	(638,000)	(653,000)	(588,000)
Deferred taxes	707,000	(395,000)	(1,082,000)
Other, net	221,000	(812,000)	(779,000)
Net cash provided by (used in) operating activities	25,264,000	(22,901,000)	24,421,000
INVESTING ACTIVITIES
Purchases of investment securities available-for-sale	(114,612,000)	(39,552,000)	(29,573,000)
Purchases of investment securities held-to-maturity	0	(700,000)	(250,000)
Maturities/paydowns of investment securities available-for-sale	17,790,000	24,412,000	8,230,000
Maturities/paydowns of investment securities held-to-maturity	400,000	1,580,000	2,000,000
Sales of investment securities available-for-sale	55,191,000	12,912,000	61,299,000
Sales of investment securities held-to-maturity	0	421,000	0
Purchases of premises and equipment	(1,668,000)	(2,153,000)	(9,798,000)
Disposals of premises and equipment from sale of subsidiary	581,000	0	0
Net increase in loans	(22,245,000)	(215,173,000)	(176,989,000)
Purchases of restricted bank stock	(23,933,000)	(24,344,000)	(13,975,000)
Redemptions of restricted bank stock	26,684,000	20,972,000	15,024,000
Proceeds from sale of certificates of deposit with banks	6,717,000	248,000	1,234,000
Purchases of certificates of deposit with banks	(8,094,000)	(1,491,000)	(3,714,000)
Proceeds from sale of other real estate owned	159,000	1,132,000	76,000
Proceeds from sale of subsidiary	7,047,000	0	0
Branch acquisition, net cash acquired	0	48,292,000	0
Purchase of bank owned life insurance	0	0	(5,000,000)
Net cash used in investing activities	(55,983,000)	(173,444,000)	(151,436,000)
FINANCING ACTIVITIES
Net increase in deposits	94,703,000	120,390,000	127,416,000
Net decrease in repurchase agreements	(2,277,000)	(5,236,000)	(48,905,000)
Net change in short-term FHLB borrowings	(92,184,000)	84,088,000	(2,199,000)
Principal payments on FHLB borrowings	(93,000)	(2,177,000)	(1,160,000)
Proceeds from subordinated debt	0	0	29,400,000
Proceeds from stock offering, net of issuance costs	20,519,000	0	5,588,000
Preferred stock issuance	0	0	7,834,000
Common stock options exercised	32,000	(448,000)	63,000
Dividend reinvestment plan proceeds	0	0	180,000
Cash dividends paid on common stock	(646,000)	(641,000)	(636,000)
Cash dividends paid on preferred stock	(1,128,000)	(575,000)	(332,000)
Net cash provided by financing activities	18,926,000	195,401,000	117,249,000
(Decrease) increase in cash and cash equivalents	(11,793,000)	(944,000)	(9,766,000)
Cash and cash equivalents at beginning of period	29,133,000	30,077,000	39,843,000
Cash and cash equivalents at end of period	17,340,000	29,133,000	30,077,000
Supplemental disclosure of cash flow information:
Loans transferred to other real estate owned	332,000	174,000	346,000
Cashless stock options exercised	16,000	1,180,000	0
Cash payments for:
Interest on deposits, repurchase agreements and borrowings	10,890,000	11,124,000	8,953,000
Income taxes	$ 6,922,000	$ 2,400,000	$ 1,729,000