Allowance for Credit Losses - Schedule of Allocation of Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			$ 192,471	$ 195,651	$ 197,752
Charge-offs			(26,586)	(19,349)	(13,719)
Recoveries			6,138	1,746	3,159
Provision for Credit Losses			6,163	14,423	8,459
Ending ACL Balance	$ 178,186		178,186	192,471	195,651
CRE non-owner-occupied
Allocation of allowance as well as the activity in allowance
Charge-offs				(3,400)
CRE owner-occupied
Allocation of allowance as well as the activity in allowance
Charge-offs	(2,300)	$ (1,200)		(1,700)
Commercial and industrial
Allocation of allowance as well as the activity in allowance
Charge-offs				(7,200)
Investor loans secured by real estate
Allocation of allowance as well as the activity in allowance
Charge-offs			(15,551)	(5,452)
Provision for Credit Losses			1,700	4,400
Investor loans secured by real estate | CRE non-owner-occupied
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			31,030	33,692	37,380
Charge-offs			(7,483)	(3,472)	(4,760)
Recoveries			1,500	159	0
Provision for Credit Losses			1,361	651	1,072
Ending ACL Balance	26,408		26,408	31,030	33,692
Investor loans secured by real estate | Multifamily
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			56,312	56,334	55,209
Charge-offs			(7,372)	(1,872)	0
Recoveries			5	1	0
Provision for Credit Losses			4,360	1,849	1,125
Ending ACL Balance	53,305		53,305	56,312	56,334
Investor loans secured by real estate | Construction and land
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			9,314	7,114	5,211
Charge-offs			0	0	0
Recoveries			0	0	0
Provision for Credit Losses			(4,084)	2,200	1,903
Ending ACL Balance	5,230		5,230	9,314	7,114
Investor loans secured by real estate | SBA secured by real estate
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			2,182	2,592	3,201
Charge-offs			(696)	(108)	(70)
Recoveries			194	0	0
Provision for Credit Losses			42	(302)	(539)
Ending ACL Balance	1,722		1,722	2,182	2,592
Business loans secured by real estate
Allocation of allowance as well as the activity in allowance
Charge-offs			(6,195)	(2,370)
Provision for Credit Losses			6,800
Business loans secured by real estate | SBA secured by real estate
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			4,427	4,348	4,866
Charge-offs			0	0	0
Recoveries			5	248	0
Provision for Credit Losses			(601)	(169)	(518)
Ending ACL Balance	3,831		3,831	4,427	4,348
Business loans secured by real estate | CRE owner-occupied
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			28,787	32,340	29,575
Charge-offs			(5,983)	(2,370)	0
Recoveries			184	40	56
Provision for Credit Losses			8,806	(1,223)	2,709
Ending ACL Balance	31,794		31,794	28,787	32,340
Business loans secured by real estate | Franchise real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			7,499	7,019	7,985
Charge-offs			(212)	0	0
Recoveries			0	0	0
Provision for Credit Losses			(1,451)	480	(966)
Ending ACL Balance	5,836		5,836	7,499	7,019
Commercial loans
Allocation of allowance as well as the activity in allowance
Charge-offs			(3,944)	(10,541)
Provision for Credit Losses			3,800	9,900
Commercial loans | Commercial and industrial
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			36,692	35,169	38,136
Charge-offs			(3,837)	(10,474)	(8,387)
Recoveries			622	1,041	2,904
Provision for Credit Losses			4,126	10,956	2,516
Ending ACL Balance	37,603		37,603	36,692	35,169
Commercial loans | Franchise non-real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			15,131	16,029	15,084
Charge-offs			(100)	0	(448)
Recoveries			3,609	150	0
Provision for Credit Losses			(7,846)	(1,048)	1,393
Ending ACL Balance	10,794		10,794	15,131	16,029
Commercial loans | SBA non-real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			458	441	565
Charge-offs			(7)	(67)	(50)
Recoveries			12	71	51
Provision for Credit Losses			(104)	13	(125)
Ending ACL Balance	359		359	458	441
Retail loans
Allocation of allowance as well as the activity in allowance
Charge-offs			(896)	(986)
Provision for Credit Losses			1,600
Retail loans | Single family residential
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			505	352	255
Charge-offs			0	(90)	0
Recoveries			3	1	148
Provision for Credit Losses			685	242	(51)
Ending ACL Balance	1,193		1,193	505	352
Retail loans | Consumer loans
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance			134	221	285
Charge-offs			(896)	(896)	(4)
Recoveries			4	35	0
Provision for Credit Losses			869	774	(60)
Ending ACL Balance	$ 111		$ 111	$ 134	$ 221