Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	$ 22,761	$ 21,849	$ 22,018	$ 21,741
Credit loss expense / (reversal)	745	1,523	1,604	18,828
Loans charged-off	(75)	(18)	(296)	(17,249)
Recoveries	495	71	600	105
Allowance for Credit Losses, Ending Balance	23,926	23,425	23,926	23,425
Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	11,397	11,259	11,019	10,987
Credit loss expense / (reversal)	367	1,169	669	18,179
Loans charged-off				(16,749)
Recoveries	480	26	556	37
Allowance for Credit Losses, Ending Balance	12,244	12,454	12,244	12,454
Commercial Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	11,281	10,477	10,906	10,728
Credit loss expense / (reversal)	395	365	924	543
Loans charged-off	(75)	(18)	(252)	(462)
Recoveries	7	38	30	53
Allowance for Credit Losses, Ending Balance	11,608	10,862	11,608	10,862
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	83	113	93	26
Credit loss expense / (reversal)	(17)	(11)	11	106
Loans charged-off			(44)	(38)
Recoveries	8	7	14	15
Allowance for Credit Losses, Ending Balance	74	109	74	109
Home Equity and Second Mortgages \| Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	374	192	336	189
Credit loss expense / (reversal)	(6)	17	31	19
Recoveries	1	1	2	2
Allowance for Credit Losses, Ending Balance	369	210	369	210
One to Four Family Residential \| Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	3,372	2,363	3,437	2,364
Credit loss expense / (reversal)	24	262	(41)	261
Allowance for Credit Losses, Ending Balance	3,396	2,625	3,396	2,625
Commercial Real Estate \| Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	6,116	7,946	5,872	7,522
Credit loss expense / (reversal)	857	230	1,101	184
Recoveries		25		35
Allowance for Credit Losses, Ending Balance	6,973	7,741	6,973	7,741
Commercial Real Estate Multi-family \| Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	1,111	316	984	326
Credit loss expense / (reversal)	(9)	3	118	(7)
Allowance for Credit Losses, Ending Balance	1,102	319	1,102	319
Other Commercial and Industrial \| Commercial Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	8,426	8,164	7,939	7,889
Credit loss expense / (reversal)	441	376	1,082	1,080
Loans charged-off	(75)	(18)	(252)	(462)
Recoveries	7	38	30	53
Allowance for Credit Losses, Ending Balance	8,799	8,560	8,799	8,560
Condominium Associations \| Commercial Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	2,855	2,311	2,967	2,839
Credit loss expense / (reversal)	(46)	(10)	(158)	(538)
Allowance for Credit Losses, Ending Balance	2,809	2,301	2,809	2,301
PPP Loans \| Commercial Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance		2
Credit loss expense / (reversal)		(1)		1
Allowance for Credit Losses, Ending Balance		1		1
Consumer \| Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	83	112	93	26
Credit loss expense / (reversal)	(14)	(7)	17	114
Loans charged-off			(44)	(38)
Recoveries	5	4	8	7
Allowance for Credit Losses, Ending Balance	74	109	74	109
Credit Cards \| Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance		1
Credit loss expense / (reversal)	(3)	(4)	(6)	(8)
Recoveries	3	3	6	8
Construction & Land \| Real Estate Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Credit Losses, Beginning Balance	424	442	390	586
Credit loss expense / (reversal)	(499)	1,117	(540)	17,722
Loans charged-off				(16,749)
Recoveries	479		554
Allowance for Credit Losses, Ending Balance	$ 404	$ 1,559	$ 404	$ 1,559