Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 4,755	$ (95)
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for loan losses	17,076	3,311
Depreciation and amortization	7,394	7,754
Current income tax receivable	6,408	112
Deferred income tax asset	3,710	(3,111)
Discount accretion, net of premium amortization on securities	1,534	2,163
Loan accretion	18,924	26,360
Net gain on sale of mortgage loans	(1,008)	(946)
Origination of loans held for sale, net of repayments	(44,593)	(48,137)
Proceeds from sales of loans held for sale	46,596	44,192
Bank-owned life insurance income	(881)	(796)
Amortization of indemnification asset		14,953
Gain on the sale of other real estate owned, net	(2,043)	(2,103)
Impairment on other real estate owned	104	757
Impairment on fixed assets related to banking center consolidations		1,089
Gain on sale of fixed assets	(1,839)	6
Stock-based compensation	1,791	1,510
Decrease in due to FDIC, net		(3,816)
Increase in other assets	(6,210)	(1,504)
Decrease in other liabilities	12,639	(11,801)
Net cash provided by (used in) operating activities	26,509	(22,822)
Cash flows from investing activities:
Purchase of FHLB stock	(500)
Payments to Acquire Federal Reserve Bank Stock		(239)
Proceeds from redemption of FHLB stock	5,761	234
Proceeds from FRB stock	4,964
Proceeds from maturities of investment securities held-to-maturity	44,442	55,411
Proceeds from maturities of investment securities available-for-sale	134,464	160,542
Purchase of investment securities available-for-sale	(4,872)
Increase in securities purchased under agreement to resell		(50,000)
Net increase in loans	(146,274)	(153,060)
Purchases of premises and equipment, net	1,718	(2,063)
Purchase of bank-owned life insurance	(10,344)
Proceeds from sales of loans	9,231	11,702
Proceeds from sales of other real estate owned	3,165	11,019
Decrease in FDIC indemnification asset		914
Net cash provided by investing activities	41,755	34,460
Cash flows from financing activities:
Net (decrease) in deposits	(39,732)	(3,699)
(Decrease) increase in repurchase agreements	(10,377)	53,762
Issuance of stock under purchase and equity compensation plans	(485)	(420)
Proceeds from exercise of stock options		160
Excess tax expense on stock-based compensation	39	8
Payment of dividends	(2,944)	(3,649)
Repurchase of shares	(32,918)	(72,338)
Net cash (used in) provided by financing activities	(86,417)	(26,176)
Increase in cash and cash equivalents	(18,153)	(14,538)
Cash and cash equivalents at beginning of the year	166,092	256,979
Cash and cash equivalents at end of period	147,939	242,441
Supplemental disclosure of cash flow information during the period:
Cash paid for interest	7,084	7,228
Net tax refunds	(2,117)	3,194
Supplemental schedule of non-cash investing activities:
Loans transferred to other real estate owned at fair value	3,654	920
FDIC submissions transferred to other liabilities		$ (2,495)
Loans purchased but not settled	$ 667