Recent Accounting Pronouncements (Details) - USD ($)	Jun. 30, 2022	Jan. 01, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Recent Accounting Pronouncements
Allowance for loan losses			$ 31,344,000	$ 28,696,000	$ 29,091,000	$ 27,500,000
Retained earnings, net of tax	$ 737,789,000		657,149,000
Operating lease right-of-use assets	9,189,000
Operating lease liabilities	$ 9,920,000
Impact from adoption of ASU | ASU 2016-02
Recent Accounting Pronouncements
Retained earnings, net of tax		$ 110,000
Operating lease right-of-use assets		7,100,000
Operating lease liabilities		7,200,000
Impact from adoption of ASU | ASU 2016-13
Recent Accounting Pronouncements
Allowance for loan losses		(299,000)	$ (299,000)
ACL - OBCEs (in Other Liabilities)		5,176,000
Retained earnings, net of tax		$ (3,648,000)