Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 9,570,000	$ 29,517,000
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of deferred loan costs, fees and purchased premiums and discounts	3,137,000	4,349,000
Net amortization of premiums and discounts on securities	(321,000)	1,419,000
Net amortization of mortgage servicing rights	188,000	178,000
Amortization of intangible assets	1,658,000	1,777,000
Depreciation and amortization of office properties and equipment	6,124,000	5,808,000
Amortization of operating lease right-of-use assets	2,928,000	2,933,000
Provision for credit losses	11,575,000	3,632,000
Loss on securities transactions	1,256,000	10,847,000
Change in fair value of equity securities	(425,000)	(249,000)
Gain on sale of loans, net	(825,000)	(1,060,000)
Net (gain) loss on disposal of office properties and equipment	(236,000)	37,000
Deferred tax expense (benefit)	1,688,000	(2,521,000)
Increase in accrued interest receivable	(2,314,000)	(3,118,000)
Increase in other assets	(28,035,000)	(18,618,000)
(Decrease) increase in accrued expenses and other liabilities	(4,479,000)	34,773,000
Income on bank-owned life insurance	(5,253,000)	(5,670,000)
Employee stock ownership plan expense	2,825,000	3,111,000
Stock based compensation	5,511,000	6,156,000
Decrease in deferred compensation obligations under Rabbi Trust	(151,000)	(112,000)
Net cash provided by operating activities	4,421,000	73,189,000
Cash flows from investing activities:
Proceeds from sales of debt securities available for sale	3,495,000	277,022,000
Proceeds from paydowns/maturities/calls of debt securities available for sale	117,775,000	79,287,000
Proceeds from paydowns/maturities/calls of debt securities held to maturity	16,547,000	9,476,000
Purchases of debt securities available for sale	(266,882,000)	(75,314,000)
Purchases of debt securities held to maturity	(16,635,000)	0
Proceeds from sales of loans held-for-sale	15,814,000	109,429,000
Purchases of loans receivable	0	(14,729,000)
Net (increase) in loans receivable	(10,994,000)	(263,990,000)
Proceeds from bank-owned life insurance death benefits	5,000	605,000
Proceeds from redemptions of Federal Home Loan Bank stock	38,476,000	71,666,000
Purchases of Federal Home Loan Bank stock	(33,301,000)	(85,421,000)
Proceeds from sales of office properties and equipment	1,266,000	0
Additions to office properties and equipment	(5,825,000)	(5,312,000)
Net cash (used in) provided by investing activities	(140,259,000)	102,719,000
Cash flows from financing activities:
Net increase (decrease) in deposits	111,503,000	(297,993,000)
Proceeds from long-term borrowings	235,205,000	311,113,000
Payments on long-term borrowings	(175,450,000)	(11,300,000)
Net (decrease) in short-term borrowings	(167,810,000)	(70,642,000)
Increase in advance payments by borrowers for taxes and insurance	(716,000)	(3,043,000)
Issuance of common stock for restricted stock awards	0	9,000
Exercise of stock options	(58,000)	(24,000)
Purchase of treasury stock	(5,894,000)	(78,295,000)
Repurchase of shares for taxes	(690,000)	(477,000)
Net cash (used in) financing activities	(3,910,000)	(150,652,000)
Net (decrease) increase in cash and cash equivalents	(139,748,000)	25,256,000
Cash and cash equivalents at beginning of year	423,249,000	179,228,000
Cash and cash equivalents at end of period	283,501,000	204,484,000
Cash paid during the period for:
Interest on deposits and borrowings	205,662,000	124,003,000
Income tax payments, net of refunds	619,000	6,281,000
Non-cash investing and financing activities:
Transfer of loans receivable to other real estate owned	1,974,000	0
Transfer of loans receivable to loans held-for-sale	15,054,000	109,072,000
Excise tax on net stock repurchases	$ 47,000	$ 807,000