Interim Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 7,139	$ (1,715)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation, amortization and accretion	10,343	9,883
Provision for credit losses	14,000	1,500
Net fair value adjustment and gain on sale of loans held for sale	(10,430)	(25,560)
Gain on sale of mortgage servicing rights, gross	0	(6,206)
Loss on sale of HLC mortgage origination assets, net	144	0
Fair value adjustment of loans held for investment	(55)	(85)
Origination of mortgage servicing rights	(4,119)	(7,916)
Change in fair value of mortgage servicing rights	20,338	14,260
Net (gain) loss on sale of investment securities	(112)	247
Net gain on sale of loans originated as held for investment	(1,864)	(1,613)
Net fair value adjustment, gain on sale and provision for losses on other real estate owned	51	(64)
Loss on disposal of fixed assets	1	0
Loss on lease abandonment and exit costs	627	11,425
Change in deferred income taxes	(7,031)	(40,515)
Share-based compensation expense	477	(390)
Origination of loans held for sale	(378,996)	(1,036,635)
Proceeds from sale of loans originated as held for sale	358,839	1,047,718
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable and other assets	(17,074)	3,077
(Decrease) increase in accounts payable and other liabilities	(2,920)	20,372
Decrease in lease liability	(3,396)	0
Net cash used in operating activities	(14,038)	(12,217)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of investment securities	(166,533)	(6,683)
Proceeds from sale of investment securities	33,792	94,998
Principal repayments and maturities of investment securities	34,605	28,022
Proceeds from sale of other real estate owned	0	518
Proceeds from sale of loans originated as held for investment	244,725	148,585
Proceeds from sale of mortgage servicing rights	66	1,052
Net cash provided by disposal of discontinued operations	1,398	166,250
Origination of loans held for investment and principal repayments, net	(98,023)	(337,197)
Purchase of property and equipment	(1,002)	(638)
Net cash used for acquisitions	0	(32,554)
Net cash provided by investing activities	49,028	62,353
CASH FLOWS FROM FINANCING ACTIVITIES:
(Decrease) increase in deposits, net	(82,936)	271,459
Proceeds from Federal Home Loan Bank advances	3,943,000	2,224,300
Repayment of Federal Home Loan Bank advances	(3,826,000)	(2,557,300)
Proceeds from federal funds purchased and securities sold under agreements to repurchase	8,173,000	2,967,000
Repayment of federal funds purchased and securities sold under agreements to repurchase	(8,298,000)	(2,959,000)
Proceeds from other borrowings	255,000	0
Repayment of other borrowings	(160,000)	0
Repayment of lease principal	(285)	(455)
Proceeds from Federal Home Loan Bank stock repurchase	57,877	48,632
Purchase of Federal Home Loan Bank stock	(62,273)	(35,668)
Repurchase of common stock	(16,476)	0
Proceeds from stock issuance, net	238	0
Dividends paid on common stock	(3,574)	0
Net cash used in financing activities	(20,429)	(41,032)
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	14,561	9,104
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Cash, cash equivalents and restricted cash, beginning of year	57,880	58,586
Cash, cash equivalents and restricted cash, end of period	72,441	67,690
Less: restricted cash included in other assets	0	0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	72,441	67,690
Cash paid during the period for:
Interest paid	17,876	22,563
Federal and state income taxes paid, net	0	(7,387)
Non-cash activities:
Loans held for investment foreclosed and transferred to other real estate owned	0	180
Loans transferred from held for investment to held for sale	120,530	153,794
Loans transferred from held for sale to held for investment	2,087	3,867
Ginnie Mae loans (derecognized) recognized with the right to repurchase, net	(298)	(27,278)
Receivable from sale of mortgage servicing rights	0	18,315
Acquisition:
Assets acquired	0	115,038
Liabilities assumed	0	74,942
Goodwill	$ 0	$ 7,293