Condensed Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest Income
Loans	$ 52,779,000	$ 32,056,000	$ 129,599,000	$ 85,458,000
Investment securities:
Trading	1,422,000	1,299,000	4,434,000	3,777,000
Available for sale - taxable	1,604,000	1,541,000	4,632,000	4,708,000
Available for sale - tax exempt	68,000		217,000
Federal Home Loan Bank stock	262,000	87,000	742,000	297,000
Other	3,626,000	2,594,000	8,572,000	6,498,000
Total interest income	59,761,000	37,577,000	148,196,000	100,738,000
Interest Expense
Deposits	26,039,000	11,670,000	59,610,000	28,427,000
Borrowed funds	1,098,000	2,425,000	3,909,000	6,515,000
Total interest expense	27,137,000	14,095,000	63,519,000	34,942,000
Net Interest Income	32,624,000	23,482,000	84,677,000	65,796,000
Provision for loan losses	1,193,000	617,000	1,947,000	3,021,000
Net Interest Income After Provision for Loan Losses	31,431,000	22,865,000	82,730,000	62,775,000
Noninterest Income
Gain on sale of loans	8,312,000	8,825,000	20,059,000	27,548,000
Loan servicing fees, net	(1,410,000)	1,851,000	(3,318,000)	4,084,000
Mortgage warehouse fees	2,699,000	778,000	4,590,000	1,948,000
Gains/(losses) on sale of investments available for sale (includes $0, $0, $124, and $0, respectively, related to accumulated other comprehensive earnings reclassifications)			124,000
Other income	1,251,000	453,000	2,931,000	1,270,000
Total noninterest income	10,852,000	11,907,000	24,386,000	34,850,000
Noninterest Expense
Salaries and employee benefits	9,139,000	7,842,000	27,671,000	21,597,000
Loan expenses	1,248,000	1,254,000	3,527,000	3,512,000
Occupancy and equipment	994,000	736,000	2,816,000	2,062,000
Professional fees	508,000	590,000	1,500,000	1,755,000
Deposit insurance expense	859,000	269,000	1,354,000	751,000
Technology expense	674,000	412,000	1,775,000	996,000
Other expense	2,100,000	1,346,000	5,834,000	4,046,000
Total noninterest expense	15,522,000	12,449,000	44,477,000	34,719,000
Income Before Income Taxes	26,761,000	22,323,000	62,639,000	62,906,000
Provision for income taxes (includes $0, $0, $(31) and $0, respectively, related to income tax (expense)/benefit for reclassification items)	6,502,000	5,584,000	15,371,000	15,454,000
Net Income	20,259,000	16,739,000	47,268,000	47,452,000
Dividends on preferred stock	(3,022,000)	(833,000)	(5,598,000)	(2,498,000)
Net Income Allocated to Common Shareholders	$ 17,237,000	$ 15,906,000	$ 41,670,000	$ 44,954,000
Basic Earnings Per Share (in dollar per share)	$ 0.60	$ 0.55	$ 1.45	$ 1.57
Diluted Earnings Per Share (in dollar per share)	$ 0.60	$ 0.55	$ 1.45	$ 1.57
Weighted-Average Shares Outstanding Basic (in Shares)	28,706,438	28,694,036	28,704,682	28,692,591
Weighted-Average Shares Outstanding Diluted (in Shares)	28,744,953	28,727,822	28,742,911	28,719,740