CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net income		$ 4,251	$ 11,880
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of premises and equipment		775	775
Increase in valuation allowance, loans held-for-sale			2,600
Provision for loan losses		17,800	1,100
Amortization of intangibles		169	193
Net accretion of loans		(179)	(590)
Accretion on bank premises		(16)	(23)
Accretion on deposits		(15)	(4)
Accretion on borrowings		(45)	(54)
Stock-based compensation		(370)	389
Gains on sales of securities available-for-sale, net	[1]		(1,596)	[2]
Loss on equity securities, net		121
Gains on sale of loans held-for-sale, net		(17)	(21)
Gains on sale of fixed assets, net			(8)
Loans originated for resale		(1,045)	(2,105)
Proceeds from sale of loans held-for-sale		1,145	6,440
Net loss on sale of other real estate owned			82
Increase in cash surrender value of bank owned life insurance		(189)	(704)
Amortization of premiums and accretion of discounts on securities available-for-sale		1,045	489
Amortization of subordinated debt issuance costs		86	41
(Increase) decrease in accrued interest receivable		(550)	264
(Increase) decrease in other assets		(2,269)	6,332
Decrease in other liabilities		(464)	(664)
Net cash provided by operating activities		20,233	24,816
Securities available-for-sale:
Purchases		(46,333)	(49,912)
Sales			29,543
Maturities, calls and principal repayments		39,503	21,383
Net purchases of restricted investment in bank stocks		(1,125)	(675)
Payments on loans held-for-sale		112	1,677
Net increase in loans		(69,837)	(88,605)
Proceeds from sales of fixed assets			8
Purchases of premises and equipment		(139)	(936)
Proceeds from sale of other real estate owned			544
Net cash used in investing activities		(77,819)	(86,973)
Cash flows from financing activities
Net (decrease) increase in deposits		(45,526)	11,210
Increase in subordinated debentures		73,525
Advances of Federal Home Loan Bank ("FHLB") borrowings		435,000	100,000
Repayments of FHLB borrowings		(410,000)	(85,000)
Cash dividends paid on common stock		(2,410)	(2,403)
Common stock issuance costs			(180)
Proceeds from exercise of stock options		202
Net cash provided by financing activities		50,791	23,627
Net change in cash and cash equivalents		(6,795)	(38,530)
Cash and cash equivalents at beginning of period		149,582	200,399
Cash and cash equivalents at end of period		142,787	161,869
Cash payments for:
Interest paid on deposits and borrowings		10,927	7,603
Income taxes		1,223	55
Supplemental disclosures of noncash investing activities
Transfer of loans to other real estate owned		538	580
Transfer of loans from held-for-investment to held-for-sale		21,236
Transfer of loans from held-for-sale to held-for-investment			$ 7,159

[1] Not within scope of ASC 606

[2] The Company elected the modified respective approach of adoption; therefore, prior period balances are presented under legacy GAAP and may not be comparable to current year presentation.