Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net loss	$ (27,516)	$ (11,761)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization, and accretion	7,569	8,199
Provision for loan losses	16,740	30,200
Deferred tax expense (benefit)	5,392	(879)
Net loss (gain) on sale of other real estate owned	70	(18)
Net write down of other real estate owned	212	422
Net (gain) loss on sale/disposal of premises and equipment	(239)	550
Proceeds from sale of loans held-for-sale	15,623	0
Write down of assets held-for-sale	0	1,359
Loss on transfer of loans to held-for-sale	987	6,030
Stock-based compensation expense	19	163
ESOP compensation expense	31	62
Net loss (gain) on sale of investment securities	49	(347)
Change in other assets, net	3,545	(9,822)
Change in other liabilities, net	87	1,119
Net cash provided by operating activities	22,569	25,277
Cash flows from investing activities:
Proceeds from maturities and calls of securities available-for-sale	50,195	56,452
Proceeds from maturities and calls of securities held-to-maturity	18,644	15,417
Proceeds from sale of securities available-for-sale	8,965	16,979
Proceeds from sale of security held-to-maturity	0	887
Purchases of securities available-for-sale	(170,940)	(43,223)
Proceeds from redemption of other investments	0	57
Purchases of other investments	(2,386)	(916)
Net change in loans	234,273	50,544
Purchases of premises and equipment	(1,524)	(3,756)
Proceeds from sale of premises and equipment	875	2,075
Proceeds from sale of other real estate owned	1,108	1,763
Net cash provided by investing activities	139,210	96,279
Cash flows from financing activities:
Change in deposits	(27,618)	(99,741)
Change in securities sold under agreements to repurchase	(55,913)	(27,328)
Borrowings from FHLB	330,000	90,000
Repayments to FHLB	(352,500)	(65,046)
Proceeds from exercise of stock options	643	266
Proceeds from issuance of common stock	0	57,151
Payment of dividends on preferred stock	(3,239)	(3,242)
Payment of dividends on common stock	(662)	(2,880)
Net cash used in financing activities	(109,289)	(50,820)
Net increase in cash and cash equivalents	52,490	70,736
Cash and cash equivalents, beginning of year	152,964	82,228
Cash and cash equivalents, end of year	205,454	152,964
Supplemental cash flow information:
Interest paid	7,495	6,057
Income taxes paid	0	2,500
Noncash investing and financing activities:
Transfer of held-to-maturity securities to available-for-sale	23,945	0
Transfer of loans to other real estate	456	1,993
Transfer of loans to held-for-sale	$ 24,097	$ 15,737