Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities
Net income	$ 3,100	$ 15,440
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for credit losses on loans and leases	31,786	4,767
Depreciation and amortization	7,406	4,287
Share-based compensation expense	3,463	2,381
Deferred taxes	(22,287)	1,878
Net amortization (accretion) of investment securities premiums and discounts	251	191
Unrealized (gain) loss on investment securities	1,378	(2)
(Gain) loss on sale of investment securities	(3,974)	0
(Gain) loss on sale of SBA and other loans	(170)	(138)
Origination of loans held for sale	(7,046)	(8,182)
Proceeds from the sale of loans held for sale	7,948	8,225
Amortization (accretion) of fair value discounts and premiums	(378)	162
Net (gain) loss on sales of other real estate owned	(4)	0
Earnings on investment in bank-owned life insurance	(1,762)	(1,816)
(Increase) decrease in accrued interest receivable and other assets	(93,856)	(28,109)
Increase (decrease) in accrued interest payable and other liabilities	39,004	(5,096)
Net Cash Used In Operating Activities	(35,141)	(6,012)
Cash Flows from Investing Activities
Proceeds from maturities, calls and principal repayments of investment securities	24,079	4,498
Purchases of investment securities available for sale	(158,782)	0
Origination of mortgage warehouse loans	(9,791,820)	(5,039,797)
Proceeds from repayments of mortgage warehouse loans	9,520,758	4,965,022
Net (increase) decrease in loans and leases, excluding mortgage warehouse loans	174,971	1,932
Purchase of loans	(193,363)	(129,289)
Net proceeds from (purchases of) FHLB, Federal Reserve Bank, and other restricted stock	(2,926)
Net proceeds from (purchases of) FHLB, Federal Reserve Bank, and other restricted stock		9,269
Purchases of bank premises and equipment	(127)	(141)
Proceeds from sales of other real estate owned	77	0
Purchases of leased assets under lessor operating leases	(6,384)	(7,791)
Net Cash Used In Investing Activities	(433,517)	(196,297)
Cash Flows from Financing Activities
Net (decrease) increase in deposits	(235,293)	283,082
Net increase (decrease) in short-term borrowed funds from the FRB	175,000	0
Net increase (decrease) in short-term borrowed funds from the FHLB	410,000	(222,238)
Net increase (decrease) in federal funds purchased	167,000	201,000
Preferred stock dividends paid	(3,615)	(3,615)
Purchase of treasury stock	0	(571)
Payments of employee taxes withheld from share-based awards	(932)	(894)
Proceeds from issuance of common stock	225	1,072
Net Cash Provided By Financing Activities	512,385	257,836
Net Increase (Decrease) in Cash and Cash Equivalents	43,727	55,527
Cash and Cash Equivalents – Beginning	212,505	62,135
Cash and Cash Equivalents – Ending	256,232	117,662
Supplementary Cash Flow Information
Interest paid	42,167	38,916
Income taxes paid	661	1,204
Non-cash Operating and Investing Activities:
Transfer of loans to other real estate owned	31	160
Unsettled sales of investment securities	104,469	0
Unsettled purchases of investment securities	$ 97,247	$ 0

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The cash outflow to reacquire common stock during the period.

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Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.

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Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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The cash outflow for payments to acquire rented equipment which is recorded as an asset.

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The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.

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Amount of cash outflow to acquire investments classified as other.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from the additional capital contribution to the entity.

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The cash inflow associated with the maturity (principal being due), prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy.

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The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place.

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The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

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Amount of cash inflow from the sale of investments classified as other.

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Amount of expense related to estimated loss from loan and lease transactions.

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Amount of noncash expense for share-based payment arrangement.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.

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