CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash Flows from Operating Activities:
Net income	$ 23,303	$ 13,378	$ 8,394
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	4,681	2,673	235
Depreciation and amortization	1,858	1,350	1,231
Stock–based compensation expense	899	613	451
Deferred tax expense (benefit)	1,337	(1,866)	576
Amortization of (discounts) premiums on purchased loans - net	(1,200)	(612)	(2,310)
Gain on sale of REO			(1,038)
Gain on sale of loans	(7,812)	(2,935)
Gain on sale of securities	(1,307)
Increase in other assets	(1,666)	(3,473)	(1,244)
Increase in accounts payable and other liabilities	(323)	4,741	3,060
Net cash provided by operating activities	19,770	13,869	9,355
Cash Flows from Investing Activities:
Net increase in loans	(1,348,286)	(626,245)	(262,271)
Proceeds from sale of loans	311,709	106,251
Purchases of AFS securities	(145,614)	(446,652)	(83,527)
Proceeds from sale of securities	104,146
Maturities of AFS securities	91,128	22,826	8,388
Proceeds from sale of REO	4,652		4,198
Purchase of note on REO property			(1,285)
Cash in from merger		38,081
Sale (purchase) of FHLB stock, net	(12,258)	(8,979)	(5,640)
Purchase of premises and equipment	(5,935)	(1,753)	(169)
Net cash used in investing activities	(1,000,458)	(916,471)	(340,306)
Cash Flows from Financing Activities:
Increase in deposits	904,619	439,381	160,917
Net increase in FHLB advances	454,000	533,000	129,000
Term note - borrowings		10,114	15,000
Term note - payments		(30,000)	(2,177)
Proceeds from the sale of stock, net	4,267	136,163	949
Net cash provided by financing activities	1,362,886	1,088,658	303,689
Increase (decrease) in cash and cash equivalents	382,198	186,056	(27,262)
Cash and cash equivalents at beginning of year	215,748	29,692	56,954
Cash and cash equivalents at end of year	597,946	215,748	29,692
Supplemental disclosures of cash flow information:
Interest	10,695	6,082	4,585
Income taxes	17,156	10,050	5,394
Noncash transactions:
Transfer of loans to loans held for sale	519,721	102,026
Chargeoffs (recoveries) against allowance for loans losses	(119)	$ 2,223
Transfer from loans to REO	$ 2,350		$ 1,834