CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities:
Net income		$ 44,170	$ 36,497	$ 26,477
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		3,127	3,275	3,093
Amortization of premium and accretion of discount on securities, net		1,399	1,697	1,478
Amortization of restricted stock		4,445	3,741	2,836
Amortization of intangible assets		1,187	321	124
Amortization of subordinated debt costs		169	135	71
Provision for loan losses		3,550	5,850	7,500
Valuation allowance on other real estate owned		232
Stock-based compensation and employee stock purchase plan expense		189	122	156
Deferred tax expense		17,042	14,118	952
Fair value adjustment for equity security		105
Loss/(gain) on sale of securities, available for sale, net		288		(119)
Proceeds from sales of loans held for sale	[1]	44,483	45,763	72,477
Loans originated for sale	[1]	(44,075)	(43,381)	(70,874)
Gain on loans held for sale	[1]	(1,970)	(1,965)	(1,633)
Loss/(gain) on sale of loans held for sale at lower of cost or fair value		4,392	(412)	(1,233)
Loss/(gain) on sale of other real estate owned		58		(5)
Gain on death benefit		(3,000)	(62)
Increase in cash surrender value of life insurance, net of split dollar liability		(767)	(818)	(921)
Increase in accrued interest receivable		(1,362)	(1,299)	(1,333)
(Increase)/decrease in other assets		(8,485)	(9,977)	945
(Decrease)/increase in accrued expenses and other liabilities		(929)	2,330	2,935
Net cash provided by operating activities		64,248	55,935	42,926
Investing activities:
Principal repayments, maturities and calls of securities available for sale		79,313	66,450	67,999
Redemptions for FHLB & FRB stock		87,602	40,561	61,606
Sales of securities available for sale		19,542		5,499
Purchase of securities available for sale		(156,893)	(91,561)	(187,043)
Purchase of FHLB & FRB stock		(92,758)	(40,126)	(61,435)
Proceeds from sale of loans held for sale at lower of cost or fair value		126,898	109,454	201,681
Net increase in loans, net of participations sold		(358,652)	(505,046)	(518,832)
Sales of other real estate owned		1,800	534	568
Purchases of premises and equipment		(1,059)	(2,380)	(3,218)
Purchase of wealth management company		(3,500)	(13,500)
Proceeds from death benefit			100
Net cash used in investing activities		(297,707)	(435,514)	(433,175)
Financing activities:
Net increase in deposits		196,986	286,517	476,367
Net decrease in overnight borrowings				(40,700)
Proceeds from FHLB advances		105,000
Repayments of FHLB advances		(34,898)	(23,897)	(21,897)
Dividends paid on common stock		(3,712)	(3,548)	(3,296)
Exercise of stock options, net stock swaps		275	690	1,069
Restricted stock repurchased on vesting to pay taxes		(1,540)	(1,826)	(554)
Proceeds from issuance of subordinated debt			34,125	48,693
Sale of common shares (Dividend Reinvestment Program)		16,677	36,588	22,461
Issuance of shares for employee’s savings and investment plan		1,039	889
Issuance of shares for employee stock purchase plan		958	797	637
Net cash provided by financing activities		280,785	330,335	482,780
Net increase/(decrease) in cash and cash equivalents		47,326	(49,244)	92,531
Cash and cash equivalents at beginning of year		113,447	162,691	70,160
Cash and cash equivalents at end of year		160,773	113,447	162,691
Cash paid during the year for:
Interest		42,768	26,506	19,965
Income taxes, net		3,605	11,597	14,870
Transfer of loans to loans held for sale		137,317		182,694
Transfer of loans held for sale to loan portfolio				30,121
Transfer of loans to other real estate owned			2,090	$ 534
Acquisitions (Note 19)
Goodwill		7,310	15,534
Customer relationship & other intangibles		$ 2,440	$ 5,466

[1] Includes mortgage loans originated with the intent to sell which are carried at fair value. In addition, this includes the guaranteed portion of SBA loans which are carried at the lower of cost or fair value.