CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities
Net income	$ 44,627	$ 21,705	$ 5,873
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation	596	941	1,153
Provision for loan losses	6,245	3,413	5,469
Accretion of acquisition discount on purchased loans	(21,078)	(27,888)	(20,961)
Depreciation	6,155	4,683	2,521
Amortization of core deposit intangible	3,098	2,157	800
Amortization of acquisition premium on time deposits	(3,109)	(3,381)	(3,049)
Net accretion of acquisition discount on borrowings	557	704	(3)
Gain on acquisition	0	0	(7,382)
Gains on sales of branches	(88)	(415)	0
Gain (loss) on mortgage loan commitments	(66)	13	441
Gain on sales of loans held for sale	(17,906)	(12,335)	(7,436)
Originations of loans held for sale	(401,808)	(320,448)	(188,070)
Proceeds from sales of loans held for sale	392,632	336,937	216,738
Increase in cash surrender value of bank-owned life insurance	(1,873)	(1,536)	(923)
Deferred income taxes	20,706	9,905	2,474
Change in deferred tax asset valuation allowance	(126)	(4,797)	(460)
Gain on sales of available for sale securities	0	(126)	(1,215)
Net amortization of premiums on available for sale securities	5,170	4,260	1,749
Net gain on disposal of foreclosed assets	(146)	(28)	0
Valuation adjustments on foreclosed assets	605	497	467
Gains from change in fair value of interest rate swaps	0	0	(103)
Change in assets and liabilities:
Increase in accrued interest receivable	(652)	(820)	(5)
Increase in other assets	(13,811)	(7,120)	(13,870)
Increase (decrease) in accrued interest payable	(138)	139	1,017
Increase (decrease) in other liabilities	(1,235)	7,709	(1,919)
Net cash provided by (used in) operating activities	18,355	14,169	(6,694)
Cash flows from investing activities
Purchases of investment securities available for sale	(214,369)	(210,340)	(201,919)
Purchases of investment securities held to maturity	0	(18,713)	0
Proceeds from maturities and repayments of investment securities available for sale	102,155	55,661	33,962
Proceeds from call of investment securities held to maturity	0	500	0
Proceeds from sales of investment securities available for sale	87,123	128,162	174,326
Loan originations and principal collections, net	(160,260)	(121,090)	(158,917)
Proceeds from sales of loans	5,294	2,076	2,595
Purchases of loans	(24,807)	0	(2,567)
Net cash received in business combinations	0	36,116	24,008
Net cash paid in branch sale	(21,235)	(10,837)	0
Purchases of interest rate caps	0	(1,278)	0
Purchases of trade accounts receivable, net	7,867	26,096	0
Purchases of premises and equipment	(4,615)	(7,004)	(5,454)
Disposals of premises and equipment	4,394	3,954	0
Proceeds from disposal of foreclosed assets	6,327	6,458	6,776
Purchases of Federal Home Loan Bank stock	(5,345)	(6,792)	(3,472)
Purchase of bank-owned life insurance	0	(15,000)	0
Investment in tax credit fund	(6,778)	0	0
Net cash used in investing activities	(239,983)	(184,223)	(130,662)
Cash flows from financing activities
Net increase in deposits	97,138	79,780	68,204
Proceeds from short-term borrowings, net	34,500	33,621	84,716
Proceeds from issuance of long-term debt, net	104,746	101,308	36,600
Proceeds from exercise of stock options	346	143	111
Proceeds from issuance of subsidiary common stock, net of issuance costs	0	44,466	0
Repurchase of subsidiary preferred stock	0	(42,849)	0
Repurchase of subsidiary common stock warrants	0	(2,552)	0
Distribution to legacy shareholders of Piedmont Community Bank Holdings, Inc.	0	(9,809)	0
Cancellation of restricted stock for tax withholding	0	(872)	(205)
Cancellation and payout of fractional shares issued in merger	0	(14)	0
Repurchase of preferred stock	(28,405)	0	0
Dividends paid on subsidiary preferred stock	0	(314)	(1,803)
Dividends paid on preferred and common stock	(822)	(1,269)	0
Dividends paid on common stock	(6,322)	0	0
Net cash provided by financing activities	201,181	201,639	187,623
Net change in cash and cash equivalents	(20,447)	31,585	50,267
Cash and cash equivalents, beginning of period	132,365	100,780	50,513
Cash and cash equivalents, end of period	111,918	132,365	100,780
Cash payments for:
Interest	22,243	15,785	10,364
Income taxes	2,925	240	0
Noncash investing activities:
Transfers of loans to foreclosed assets	9,193	9,300	5,856
Change in fair value of securities available for sale, net of tax	(2,253)	5,369	(8,639)
Change in fair value of cash flow hedge, net of tax	(3,020)	(3,439)	2,648
Acquisition:
Assets acquired (excluding goodwill)	0	1,803,903	855,686
Liabilities assumed	0	1,621,565	789,989
Other equity interests acquired	0	29,122	17,686
Purchase price	0	279,115	40,629
Goodwill recorded (gain on acquisition)	$ 0	$ 125,899	$ (7,382)