Loans and Allowance for Credit Loses - Allowance for loan losses by segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	$ 56,443	$ 52,277	$ 52,277
Provision for (Recovery of) Credit Losses for Loans and Leases	1,350	1,500
Loans and Leases Charged-off	(658)	(12)
Recoveries of Loans and Leases	142	1
Total Ending Allowance Balance	57,277	53,766	56,443
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	4,036		3,812
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	53,241		52,631
Allowance for Credit Loss Total	57,277	53,766	56,443
Loans, Individually Evaluated for Credit Loss	43,958		55,757
Loans, Collectively Evaluated for Credit Loss	4,324,084		4,253,760
Totals	4,368,042		4,309,517
Commercial
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	5,982	5,630	5,630
Provision for (Recovery of) Credit Losses for Loans and Leases	914	217
Loans and Leases Charged-off	(639)
Recoveries of Loans and Leases	138
Total Ending Allowance Balance	6,395	5,847	5,982
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	73		134
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	6,322		5,848
Allowance for Credit Loss Total	6,395	5,847	5,982
Loans, Individually Evaluated for Credit Loss	10,373		10,527
Loans, Collectively Evaluated for Credit Loss	583,033		536,718
Totals	593,406		547,245
Leases
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	352	368	368
Provision for (Recovery of) Credit Losses for Loans and Leases	(47)	(3)
Total Ending Allowance Balance	305	365	352
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	305		352
Allowance for Credit Loss Total	305	365	352
Loans, Collectively Evaluated for Credit Loss	41,791		43,407
Totals	41,791		43,407
Construction and Land Development
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	1,687	866	866
Provision for (Recovery of) Credit Losses for Loans and Leases	9	209
Total Ending Allowance Balance	1,696	1,075	1,687
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	85
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	1,611		1,687
Allowance for Credit Loss Total	1,696	1,075	1,687
Loans, Individually Evaluated for Credit Loss	387		34
Loans, Collectively Evaluated for Credit Loss	209,034		216,129
Totals	209,421		216,163
1-4 Family Construction
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	316	331	331
Provision for (Recovery of) Credit Losses for Loans and Leases	39	(39)
Total Ending Allowance Balance	355	292	316
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	355		316
Allowance for Credit Loss Total	355	292	316
Loans, Collectively Evaluated for Credit Loss	50,629		45,152
Totals	50,629		45,152
Real Estate Mortgage
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	47,925	44,940	44,940
Provision for (Recovery of) Credit Losses for Loans and Leases	342	1,112
Total Ending Allowance Balance	48,267	46,052	47,925
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	3,798		3,678
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	44,469		44,247
Allowance for Credit Loss Total	48,267	46,052	47,925
Loans, Individually Evaluated for Credit Loss	32,389		45,196
Loans, Collectively Evaluated for Credit Loss	3,419,690		3,393,142
Totals	3,452,079		3,438,338
1-4 Family Mortgage
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	2,475	2,795	2,795
Provision for (Recovery of) Credit Losses for Loans and Leases	(90)	(210)
Total Ending Allowance Balance	2,385	2,585	2,475
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	2,385		2,475
Allowance for Credit Loss Total	2,385	2,585	2,475
Loans, Individually Evaluated for Credit Loss	1,266		1,000
Loans, Collectively Evaluated for Credit Loss	486,763		495,142
Totals	488,029		496,142
Multifamily
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	23,775	23,120	23,120
Provision for (Recovery of) Credit Losses for Loans and Leases	365	807
Total Ending Allowance Balance	24,140	23,927	23,775
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	909		789
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	23,231		22,986
Allowance for Credit Loss Total	24,140	23,927	23,775
Loans, Individually Evaluated for Credit Loss	12,608		23,776
Loans, Collectively Evaluated for Credit Loss	1,577,483		1,563,562
Totals	1,590,091		1,587,338
CRE Owner Occupied
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	1,080	1,290	1,290
Provision for (Recovery of) Credit Losses for Loans and Leases	(15)	(64)
Total Ending Allowance Balance	1,065	1,226	1,080
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	1,065		1,080
Allowance for Credit Loss Total	1,065	1,226	1,080
Loans, Individually Evaluated for Credit Loss	1,707		3,553
Loans, Collectively Evaluated for Credit Loss	186,881		186,201
Totals	188,588		189,754
CRE Non-owner Occupied
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	20,595	17,735	17,735
Provision for (Recovery of) Credit Losses for Loans and Leases	82	579
Total Ending Allowance Balance	20,677	18,314	20,595
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	2,889		2,889
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	17,788		17,706
Allowance for Credit Loss Total	20,677	18,314	20,595
Loans, Individually Evaluated for Credit Loss	16,808		16,867
Loans, Collectively Evaluated for Credit Loss	1,168,563		1,148,237
Totals	1,185,371		1,165,104
Consumer and other
Allowance for Credit Losses for Loans and Leases:
Beginning Balance	181	142	142
Provision for (Recovery of) Credit Losses for Loans and Leases	93	4
Loans and Leases Charged-off	(19)	(12)
Recoveries of Loans and Leases	4	1
Total Ending Allowance Balance	259	135	181
Allowance for loan losses and the recorded investment
Allowance for Loan Losses and Loans, Individually Evaluated for Credit Loss	80
Allowance for Loan Losses and Loans, Collectively Evaluated for Credit Loss	179		181
Allowance for Credit Loss Total	259	$ 135	181
Loans, Individually Evaluated for Credit Loss	809
Loans, Collectively Evaluated for Credit Loss	19,907		19,212
Totals	$ 20,716		$ 19,212

Bridgewater Bancshares Inc 10-Q