Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net (loss) income	$ (1,155,000)	$ 18,723,000
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of deferred loan costs, fees and purchased premiums and discounts	1,195,000	1,372,000
Net amortization of premiums and discounts on securities	(76,000)	511,000
Net amortization of mortgage servicing rights	59,000	55,000
Amortization of intangible assets	563,000	602,000
Depreciation and amortization of office properties and equipment	2,014,000	1,874,000
Amortization of operating lease right-of-use assets	987,000	973,000
Provision for credit losses	5,278,000	175,000
Loss on securities transactions	1,256,000	1,295,000
Change in fair value of equity securities	(351,000)	(168,000)
Gain on sale of loans, net	(185,000)	(791,000)
Net loss on disposal of office properties and equipment	0	7,000
Increase in accrued interest receivable	(2,240,000)	(1,228,000)
Increase in other assets	(4,424,000)	(14,166,000)
Increase (decrease) in accrued expenses and other liabilities	10,206,000	(13,915,000)
Income on bank-owned life insurance	(1,780,000)	(1,981,000)
Employee stock ownership plan expense	987,000	1,142,000
Stock based compensation	2,029,000	1,845,000
(Increase) decrease in deferred compensation obligations under Rabbi Trust	(227,000)	67,000
Net cash provided by (used in) operating activities	14,136,000	(3,608,000)
Cash flows from investing activities:
Proceeds from sales of debt securities available for sale	3,495,000	42,625,000
Proceeds from paydowns/maturities/calls of debt securities available for sale	31,069,000	27,888,000
Proceeds from paydowns/maturities/calls of debt securities held to maturity	2,783,000	4,277,000
Purchases of debt securities available for sale	(137,807,000)	0
Proceeds from sales of loans held-for-sale	3,690,000	35,059,000
Purchases of loans receivable	0	(14,729,000)
Net decrease (increase) in loans receivable	49,233,000	(130,620,000)
Proceeds from bank-owned life insurance death benefits	(2,000)	336,000
Proceeds from redemptions of Federal Home Loan Bank stock	11,413,000	20,207,000
Purchases of Federal Home Loan Bank stock	(11,250,000)	(46,892,000)
Additions to office properties and equipment	(1,671,000)	(1,725,000)
Net cash (used in) investing activities	(49,047,000)	(63,574,000)
Cash flows from financing activities:
Net decrease in deposits	(17,153,000)	(326,958,000)
Proceeds from long-term borrowings	60,000,000	111,113,000
Payments on long-term borrowings	(15,000,000)	(10,000,000)
Net (decrease) increase in short-term borrowings	(43,271,000)	478,453,000
Increase in advance payments by borrowers for taxes and insurance	2,398,000	2,230,000
Exercise of stock options	(49,000)	11,000
Purchase of treasury stock	(1,652,000)	(47,323,000)
Repurchase of shares for taxes	(139,000)	(133,000)
Net cash (used in) provided by financing activities	(14,866,000)	207,393,000
Net (decrease) increase in cash and cash equivalents	(49,777,000)	140,211,000
Cash and cash equivalents at beginning of year	423,249,000	179,228,000
Cash and cash equivalents at end of period	373,472,000	319,439,000
Cash paid during the period for:
Interest on deposits and borrowings	66,080,000	27,936,000
Income tax payments, net of refunds	658,000	577,000
Non-cash investing and financing activities:
Transfer of loans receivable to loans held-for-sale	3,507,000	34,364,000
Excise tax on net stock repurchases	$ 2,000	$ 475,000