Nature of Operations and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Provision for Credit Losses

The following table presents the provision for credit losses on the loan portfolio and off-balance sheet exposures:

	Three Months ended			Six Months ended
(Dollars in thousands)	June 30, 2021		June 30, 2020	June 30, 2021	June 30, 2020
Provision for credit loss loans	$	(5,723)	13,552	(5,234)	36,296
Provision for credit losses unfunded	70		3,377	(371)	(182)
Total provision for credit losses	$	(5,653)	16,929	(5,605)	36,114

The following tables summarize the activity in the ACL:

	Three Months ended June 30, 2021
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	156,446	9,018	95,251	39,385	8,068	4,724
Provision for credit losses	(5,723)		884	1,269	(8,319)	(278)	721
Charge-offs	(1,700)		—	(41)	(351)	—	(1,308)
Recoveries	2,425		241	118	1,268	47	751
Balance at end of period	$	151,448	10,143	96,597	31,983	7,837	4,888

	Three Months ended June 30, 2020
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	150,190	9,315	70,848	56,409	7,934	5,684
Provision for credit losses	13,552		662	18,309	(6,974)	2,174	(619)
Charge-offs	(2,668)		(1)	(150)	(1,088)	(193)	(1,236)
Recoveries	1,435		10	97	491	47	790
Balance at end of period	$	162,509	9,986	89,104	48,838	9,962	4,619

	Six Months ended June 30, 2021
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	158,243	9,604	86,999	49,133	8,182	4,325
Provision for credit losses	(5,234)		302	8,732	(15,584)	(367)	1,683
Charge-offs	(5,946)		(38)	(41)	(3,113)	(45)	(2,709)
Recoveries	4,385		275	907	1,547	67	1,589
Balance at end of period	$	151,448	10,143	96,597	31,983	7,837	4,888

	Six Months ended June 30, 2020
(Dollars in thousands)	Total		Residential Real Estate	Commercial Real Estate	Other Commercial	Home Equity	Other Consumer
Balance at beginning of period	$	124,490	10,111	69,496	36,129	4,937	3,817
Impact of adopting CECL	3,720		3,584	10,533	(13,759)	3,400	(38)
Acquisitions	49		—	49	—		—
Provision for credit losses	36,296		(3,707)	8,876	27,159	1,666	2,302
Charge-offs	(5,235)		(21)	(180)	(1,873)	(194)	(2,967)
Recoveries	3,189		19	330	1,182	153	1,505
Balance at end of period	$	162,509	9,986	89,104	48,838	9,962	4,619