Allowance for Credit Losses - Allocation of Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	$ 192,340	$ 195,388	$ 192,471	$ 195,651	$ 195,651
Charge-offs	(13,530)	(3,986)	(20,059)	(7,650)	(19,349)
Recoveries	3,237	321	3,347	701
Provision for Credit Losses	1,756	610	8,044	3,631
Ending ACL Balance	183,803	192,333	183,803	192,333	192,471
CRE non-owner-occupied
Allocation of allowance as well as the activity in allowance
Charge-offs	(11,500)
Investor loans secured by real estate
Allocation of allowance as well as the activity in allowance
Charge-offs			(12,901)		(5,452)
Investor loans secured by real estate | CRE non-owner-occupied
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	30,781	31,715	31,030	33,692	33,692
Charge-offs	(4,196)	(2,591)	(5,123)	(2,657)
Recoveries	1,500	0	1,500	15
Provision for Credit Losses	1,653	2,421	2,331	495
Ending ACL Balance	29,738	31,545	29,738	31,545	31,030
Investor loans secured by real estate | Multifamily
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	58,411	57,787	56,312	56,334	56,334
Charge-offs	(7,372)	(73)	(7,372)	(290)
Recoveries	0	1	5	1
Provision for Credit Losses	6,259	(2,067)	8,353	(397)
Ending ACL Balance	57,298	55,648	57,298	55,648	56,312
Investor loans secured by real estate | Construction and land
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	8,171	7,672	9,314	7,114	7,114
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for Credit Losses	2,633	35	1,490	593
Ending ACL Balance	10,804	7,707	10,804	7,707	9,314
Investor loans secured by real estate | SBA secured by real estate
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	2,184	2,291	2,182	2,592	2,592
Charge-offs	(153)	0	(406)	0
Recoveries	86	0	86	0
Provision for Credit Losses	25	40	280	(261)
Ending ACL Balance	2,142	2,331	2,142	2,331	2,182
Business loans secured by real estate
Allocation of allowance as well as the activity in allowance
Charge-offs			(4,664)		(2,370)
Business loans secured by real estate | SBA secured by real estate
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	4,288	4,415	4,427	4,348	4,348
Charge-offs	0	0	0	0
Recoveries	1	80	2	80
Provision for Credit Losses	(155)	16	(295)	83
Ending ACL Balance	4,134	4,511	4,134	4,511	4,427
Business loans secured by real estate | CRE owner-occupied
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	28,760	29,334	28,787	32,340	32,340
Charge-offs	0	(207)	(4,452)	(2,370)
Recoveries	121	12	184	24
Provision for Credit Losses	(350)	(624)	4,012	(1,479)
Ending ACL Balance	28,531	28,515	28,531	28,515	28,787
Business loans secured by real estate | Franchise real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	7,258	7,790	7,499	7,019	7,019
Charge-offs	0	0	(212)	0
Recoveries	0	0	0	0
Provision for Credit Losses	(464)	(935)	(493)	(164)
Ending ACL Balance	6,794	6,855	6,794	6,855	7,499
Commercial loans
Allocation of allowance as well as the activity in allowance
Charge-offs			(1,659)		(10,541)
Commercial loans | Commercial and industrial
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	37,107	37,659	36,692	35,169	35,169
Charge-offs	(968)	(225)	(1,553)	(1,348)
Recoveries	148	169	187	380
Provision for Credit Losses	(4,030)	1,983	(3,069)	5,385
Ending ACL Balance	32,257	39,586	32,257	39,586	36,692
Commercial loans | Franchise non-real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	14,320	15,721	15,131	16,029	16,029
Charge-offs	0	0	(100)	0
Recoveries	1,375	0	1,375	100
Provision for Credit Losses	(4,565)	(1,079)	(5,276)	(1,487)
Ending ACL Balance	11,130	14,642	11,130	14,642	15,131
Commercial loans | SBA non-real estate secured
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	495	401	458	441	441
Charge-offs	(6)	0	(6)	0
Recoveries	3	59	5	65
Provision for Credit Losses	(10)	(61)	25	(107)
Ending ACL Balance	482	399	482	399	458
Retail loans
Allocation of allowance as well as the activity in allowance
Charge-offs			(835)		(986)
Retail loans | Single family residential
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	442	392	505	352	352
Charge-offs	0	0	0	(90)
Recoveries	3	0	3	1
Provision for Credit Losses	(46)	63	(109)	192
Ending ACL Balance	399	455	399	455	505
Retail loans | Consumer
Allocation of allowance as well as the activity in allowance
Beginning ACL Balance	123	211	134	221	221
Charge-offs	(835)	(890)	(835)	(895)
Recoveries	0	0	0	35
Provision for Credit Losses	806	818	795	778
Ending ACL Balance	$ 94	$ 139	$ 94	$ 139	$ 134