Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities:
Net income	$ 47,268,000	$ 47,452,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	436,000	336,000
Provision for loan losses	1,947,000	3,021,000
Gain on sale of securities	(124,000)
Gain on sale of loans	(20,059,000)	(27,548,000)
Proceeds from sales of loans	20,483,906,000	13,387,330,000
Loans and participations originated and purchased for sale	(22,133,767,000)	(13,374,161,000)
Change in mortgage servicing rights for paydowns and fair value adjustments	10,492,000	1,854,000
Net change in:
Trading securities	(64,495,000)	66,721,000
Other assets and receivables	(4,839,000)	(4,718,000)
Other liabilities	9,979,000	3,441,000
Other	4,249,000	1,050,000
Net cash provided by (used in) operating activities	(1,665,007,000)	104,778,000
Investing activities:
Net change in securities purchased under agreements to resell	115,000	130,000
Purchases of available-for-sale securities	(382,385,000)	(36,284,000)
Proceeds from the sale of available-for-sale securities	31,083,000	6,431,000
Proceeds from calls, maturities and paydowns of available-for-sale securities	375,095,000	171,319,000
Purchases of loans	(61,848,000)	(112,219,000)
Net change in loans receivable	(637,957,000)	(403,900,000)
Purchase of Federal Home Loan Bank stock	(14,085,000)	(233,000)
Proceeds from sale of Federal Home Loan Bank stock	3,251,000	218,000
Proceeds from sale of assets		10,000
Purchases of premises and equipment	(12,273,000)	(5,440,000)
Purchases of mortgage servicing rights		(790,000)
Purchase of limited partnership interests		(3,005,000)
Cash received in acquisition of subsidiary		6,505,000
Other investing activities	124,000	(74,000)
Net cash used in investing activities	(698,880,000)	(377,332,000)
Financing activities:
Net change in deposits	2,268,637,000	321,931,000
Proceeds from Federal Home Loan Bank borrowings	6,887,077,000	536,367,000
Repayment of Federal Home Loan Bank borrowings	(6,899,275,000)	(536,379,000)
Proceeds from notes payable	6,118,000	9,534,000
Payments on notes payable	(29,700,000)
Proceeds from issuance of preferred stock	192,958,000
Redemption of preferred stock	(21,850,000)
Dividends	(11,626,000)	(7,662,000)
Net cash provided by financing activities	2,392,339,000	323,791,000
Net Change in Cash and Cash Equivalents	28,452,000	51,237,000
Cash and Cash Equivalents, Beginning of Period	336,524,000	359,519,000
Cash and Cash Equivalents, End of Period	364,976,000	410,756,000
Additional Cash Flows Information:
Interest paid	54,522,000	31,694,000
Income taxes paid	$ 13,871,000	13,023,000
The Company purchased all of the capital stock of FMBI on January 2, 2018 for $5,472. In conjunction with the acquisitions, liabilities were assumed as follows:
Fair value of assets acquired		44,217,000
Cash paid for the capital stock/fair value common stock issued		5,472,000
Fair value of liabilities assumed		$ 38,745,000