Acquisition of Riverview Financial Corporation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
	Nov. 30, 2021	Nov. 24, 2021	Sep. 30, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill			$ 113,871	$ 113,835
Adjustment to goodwill			36
Riverview
Business Acquisition [Line Items]
Shares of acquirer ratio of common stock	48.33%
Business combination, consideration transferred, equity interests issued and issuable	$ 142,192
Restricted stock shares paid out in cash	2,500
Payments to acquire businesses gross	$ 792
Business Combination, Consideration Transferred	142,984
Goodwill	51,031		51,031
Core deposit intangible	4,100
Customer list intangible	$ 2,200
Acquired finite-lived intangible assets, weighted average useful life	10 years
Fair value of purchased loans	$ 837,505		$ 837,505
Riverview | Common Stock
Business Acquisition [Line Items]
Business combination, consideration transferred, equity interests issued and issuable	$ 142,200
Per share price	$ 31.46	$ 30.76
Options outstanding to purchase common stock (in shares)		172,964
Riverview | Stock Awards
Business Acquisition [Line Items]
Payments to acquire businesses gross	$ 776
Riverview | Fractional Shares
Business Acquisition [Line Items]
Payments to acquire businesses gross	$ 16