Investment Securities - Schedule of Investment Securities in a Continuous Unrealized Loss Position (Details) $ in Thousands	Dec. 31, 2021 USD ($) security	Dec. 31, 2020 USD ($) security
Fair Value
Less than 12 Months	$ 636,389	$ 15,019
12 Months or Longer	8,829	0
Total	645,218	15,019
Gross Unrealized Losses
Less than 12 Months	13,239	349
12 Months or Longer	401	0
Total	$ 13,640	$ 349
Number of Securities | security	161	9
U.S. Treasury
Fair Value
Less than 12 Months	$ 999
12 Months or Longer	0
Total	999
Gross Unrealized Losses
Less than 12 Months	1
12 Months or Longer	0
Total	$ 1
Number of Securities | security	1
U.S. Government-sponsored agency securities
Fair Value
Less than 12 Months	$ 68,524
12 Months or Longer	0
Total	68,524
Gross Unrealized Losses
Less than 12 Months	1,545
12 Months or Longer	0
Total	$ 1,545
Number of Securities | security	8
State and municipal
Fair Value
Less than 12 Months	$ 138,187	$ 5,368
12 Months or Longer	505	0
Total	138,692	5,368
Gross Unrealized Losses
Less than 12 Months	894	246
12 Months or Longer	4	0
Total	$ 898	$ 246
Number of Securities | security	103	4
U.S. Government-sponsored mortgage-backed securities
Fair Value
Less than 12 Months	$ 427,687	$ 9,651
12 Months or Longer	8,324	0
Total	436,011	9,651
Gross Unrealized Losses
Less than 12 Months	10,791	103
12 Months or Longer	397	0
Total	$ 11,188	$ 103
Number of Securities | security	48	5
Corporate obligations
Fair Value
Less than 12 Months	$ 992
12 Months or Longer	0
Total	992
Gross Unrealized Losses
Less than 12 Months	8
12 Months or Longer	0
Total	$ 8
Number of Securities | security	1