Loans - Schedule of Risk Category of Loans by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 5,388,331	$ 5,296,168
Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	5,212,559	5,097,203
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	115,501	129,430
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	60,271	69,535
Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	60,271	69,535
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,213,329	1,157,594
Residential Real Estate [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,202,103	1,146,212
Residential Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,295	1,316
Residential Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	9,931	10,066
Residential Real Estate [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	9,931	10,066
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,495,479	2,447,663
Commercial Real Estate [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,376,266	2,324,846
Commercial Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	93,550	93,676
Commercial Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	25,663	29,141
Commercial Real Estate [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	25,663	29,141
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	358,167	384,925
Construction Loans [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	358,167	365,403
Construction Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net		19,522
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	901,725	884,969
Commercial [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	869,383	856,402
Commercial [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	20,558	14,815
Commercial [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	11,784	13,752
Commercial [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	11,784	13,752
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	258,041	260,948
Home Equity and Improvement [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	255,883	258,914
Home Equity and Improvement [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,158	2,034
Home Equity and Improvement [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,158	2,034
PCD [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	27,844	32,337
PCD [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	19,110	19,547
PCD [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	98	101
PCD [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	8,636	12,689
PCD [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	8,636	12,689
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	133,746	127,732
Consumer Finance [Member] | Unclassified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	131,647	125,879
Consumer Finance [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	2,099	1,853
Consumer Finance [Member] | Total Classified [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	$ 2,099	$ 1,853