Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 32,603	$ 838
Adjustments to reconcile net income to net cash provided by operating activities:
(Reversal of provision) provision for credit losses	(11,283)	21,843
Depreciation of premises and equipment	1,173	1,258
Net amortization of investment securities premiums and discounts	768	383
Net gain on sales of investment securities	(65)	(695)
Net gain on mortgage banking activities	(5,938)	(2,744)
Bank owned life insurance income	(717)	(734)
Stock-based compensation	874	435
Intangible expenses	249	330
Other adjustments to reconcile net income to cash (used in) provided by operating activities	(2,036)	273
Originations of loans held for sale	(142,877)	(63,730)
Proceeds from the sale of loans held for sale	163,052	58,959
Contributions to pension and other postretirement benefit plans	(66)	(68)
Increase in accrued interest receivable and other assets	(5,488)	(2,752)
Decrease in accrued interest payable and other liabilities	(376)	(2,544)
Net cash provided by operating activities	29,873	11,052
Cash flows from investing activities:
Proceeds from sale of premises and equipment	0	8
Purchases of premises and equipment	(1,311)	(387)
Proceeds from maturities, calls and principal repayments of securities held-to-maturity	20,197	12,475
Proceeds from maturities, calls and principal repayments of securities available-for-sale	12,708	12,896
Proceeds from sales of securities available-for-sale	1,563	62,276
Purchases of investment securities held-to-maturity	(4,625)	(43,116)
Purchases of investment securities available-for-sale	(32,540)	(32,242)
Proceeds from sales of money market mutual funds	2,020	4,753
Purchases of money market mutual funds	(2,150)	(4,644)
Net decrease (increases) in other investments	2,612	(211)
Net increase in loans and leases	(108,296)	(62,368)
Net cash used in investing activities	(109,822)	(50,560)
Cash flows from financing activities:
Net increase in deposits	68,869	47,229
Net increase (decrease) in short-term borrowings	8,770	(265)
Proceeds from issuance of long-term debt	0	125,000
Repayment of long-term debt	(15,000)	(65,000)
Early Repayment of Subordinated Debt	(10,000)	0
Payment of contingent consideration on acquisitions	(29)	(31)
Purchases of treasury stock	(650)	(4,438)
Stock issued under dividend reinvestment and employee stock purchase plans	609	572
Proceeds from exercise of stock options	759	94
Cash dividends paid	(5,920)	(5,879)
Net cash provided by financing activities	47,408	97,282
Net (decrease) increase in cash and cash equivalents	(32,541)	57,774
Cash and cash equivalents at beginning of year	219,858	125,128
Cash and cash equivalents at end of period	187,317	182,902
Supplemental disclosures of cash flow information:
Cash paid for interest	6,856	9,420
Cash paid for income taxes, net of refunds	130	32
Transfer of loans to other real estate owned	$ 126	$ 0