CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 8,554	$ 8,065	$ 1,789
Adjustments to net income:
Depreciation and amortization expense	670		253
Provision for loan losses	1,120	1,700	1,830
Share-based compensation expense	461		200
Loss on sale of or write down of other real estate owned	0		40
Amortization of premium/(discounts) on securities held for sale, net	1,057		804
Net accretion of discounts/premiums for loans acquired and deferred loan fees/costs	(2,584)		(371)
Gain on sale of investment securities available for sale	(753)	4	(116)
Originations of loans held for sale	(18,899)		0
Proceeds from the sales of and principal payments from loans held for sale	22,616		0
Gain on sale of loans	(1,906)		0
Deferred income tax benefit	(325)		0
Change in accrued expenses and other liabilities, net	(5,499)		1,144
Income from bank owned life insurance, net	(290)		(279)
Amortization of core deposit intangible	344		314
Change in accrued interest receivable and other assets, net	4,925		(5,248)
Net cash provided by operating activities	9,491		360
CASH FLOWS FROM INVESTING ACTIVITIES
Net increase in interest-bearing time deposits with financial institutions	0		106,409
Increase in loans, net	(138,358)		(275,937)
Principal payments on securities available for sale	9,676		6,851
Purchase of securities available for sale	0		(40,077)
Proceeds from sale or maturity of securities available for sale	192,809		8,771
Proceeds from the sale of premises and equipment	3,294		0
Purchases of premises and equipment	(2,177)		(525)
(Purchase) redemption of Federal Reserve Bank stock	(465)		506
Purchase of Federal Home Loan Bank of San Francisco stock	(3,096)		(11,656)
Cash acquired in acquisitions	40,156		2,961
Net cash provided by (used in) investing activities	101,839		(202,697)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposit accounts	74,549		76,322
Change in FHLB advances and other borrowings, net	(71,169)		193,491
Proceeds from exercise of stock options and warrants	387		48
Warrants exercised	0		15
Repurchase of common stock	0		(93)
Net cash provided by financing activities	3,767		269,783
Net increase in cash and cash equivalents	115,097		67,446
Cash and cash equivalents, beginning of year	78,417		110,925
Cash and cash equivalents, end of year	193,514	$ 78,417	178,371
SUPPLEMENTAL CASH FLOW DISCLOSURES
Interest paid	4,182		3,853
Income taxes paid	136		3,700
Assets acquired (liabilities assumed and capital created) in acquisitions (See Note 4):
Investment securities	190,254		53,752
FHLB and Other Stock	3,671		2,369
Loans	456,158		332,893
Core deposit intangible	4,319		2,903
Deferred income tax	7,069		3,969
Bank owned life insurance	0		11,276
Goodwill	51,252		28,060
Fixed assets	4,356		2,134
Other assets	5,610		1,726
Deposits	(636,591)		(336,018)
Other borrowings	0		(33,300)
Other liabilities	(8,843)		(1,796)
Common stock and additional paid-in capital	$ (119,383)		$ (70,929)