Debt Securities - Summary of securities in unrealized loss position (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 Months	$ 40,672	$ 108,651
Gross Unrealized Losses, Less than 12 Months	(5,909)	(1,863)
Fair Value, 12 Months or Longer	70,703	4,503
Gross Unrealized Losses, 12 Months or Longer	(16,080)	(237)
Fair Value, Total	111,375	113,154
Gross Unrealized Losses, Total	(21,989)	(2,100)
Mortgage-backed securities - agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 Months	24,357	101,235
Gross Unrealized Losses, Less than 12 Months	(3,618)	(1,813)
Fair Value, 12 Months or Longer	69,714	4,503
Gross Unrealized Losses, 12 Months or Longer	(15,969)	(237)
Fair Value, Total	94,071	105,738
Gross Unrealized Losses, Total	(19,587)	(2,050)
CMO's - agency
Debt Securities, Available-for-sale [Line Items]
Fair Value, Less than 12 Months	16,315	7,416
Gross Unrealized Losses, Less than 12 Months	(2,291)	(50)
Fair Value, 12 Months or Longer	989
Gross Unrealized Losses, 12 Months or Longer	(111)
Fair Value, Total	17,304	7,416
Gross Unrealized Losses, Total	$ (2,402)	$ (50)