CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 31,211	$ 36,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,029	2,001
Provision for loan losses	10,550	250
Amortization of deferred loan costs, net	11,785	10,386
Amortization of premiums on investment securities, net	2,447	1,039
Gain on sale of loans	0	(607)
Stock based compensation expense, net of forfeitures	2,711	2,211
Change in fair value of mortgage servicing rights	807	652
Change in fair value of equity securities	(288)	(399)
Loss on disposition of leasehold improvements	0	1,120
Other items, net	331	(383)
Effect of changes in:
Accrued interest receivable	920	(1,338)
Accrued interest payable	(1,647)	(969)
Prepaid expenses and other assets	(4,134)	(2,040)
Other liabilities and accrued expenses	(3,780)	5,770
Net cash provided by operating activities	52,942	54,097
Cash flows from investing activities:
Proceeds from maturities, paydowns and calls of available for sale debt securities	188,270	55,523
Proceeds from maturities and paydowns of held to maturity debt securities	2,096	1,216
Proceeds from sales of available for sale debt securities	0	1,000
Purchases of available for sale debt securities	(181,837)	(71,694)
Net decrease (increase) in loans receivable	(101,994)	190,602
Proceeds from loans held for sale previously classified as portfolio loans	0	62,235
Purchase of loans	(20,507)	(10,052)
Redemption of FHLB stock, net	730	1,480
Purchase of premises and equipment	(1,275)	(663)
Net cash provided by (used in) investing activities	89,471	(151,557)
Cash flows from financing activities:
Net increase in deposits	41,963	360,962
Proceeds from long-term FHLB advances	136,500	375,100
Repayment of long-term FHLB advances	(151,955)	(375,022)
Net change in short-term FHLB advances	(1,500)	(166,000)
Shares withheld for taxes on vested restricted stock	(666)	(2,409)
Shares repurchased	(34,714)	(8,791)
Cash paid for dividends	(9,300)	(9,795)
Net cash (used in) provided by financing activities	(19,672)	174,045
Increase in cash, cash equivalents and restricted cash	122,741	76,585
Cash, cash equivalents and restricted cash, beginning of period	91,325	91,697
Cash, cash equivalents and restricted cash, end of period	214,066	168,282
Supplemental disclosure of cash flow information: Cash paid during the period for:
Interest	84,174	105,433
Income taxes	15,069	14,125
Non-cash investing activity:
Loans transferred to held for sale	$ 0	$ 61,751