Allowance for Credit Losses - Credit Risk Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 6,857,194	$ 5,409,440
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		5,283,998
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		74,086
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		40,464
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		10,892
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	4,858,208	4,006,392
Real estate loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		3,943,493
Real estate loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		41,634
Real estate loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		19,870
Real estate loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,395
Real estate loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,615,716	1,540,590
Real estate loans | Non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,499,100
Real estate loans | Non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		34,205
Real estate loans | Non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		5,890
Real estate loans | Non-owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,395
Real estate loans | Non-owner occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Multi-family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	820,023	514,679
Real estate loans | Multi-family residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		514,679
Real estate loans | Multi-family residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Multi-family residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Multi-family residential | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Multi-family residential | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Land development and construction loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	273,174	327,246
Real estate loans | Land development and construction loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		327,246
Real estate loans | Land development and construction loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Land development and construction loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Land development and construction loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Land development and construction loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	2,708,913	2,382,515
Real estate loans | Commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		2,341,025
Real estate loans | Commercial real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		34,205
Real estate loans | Commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		5,890
Real estate loans | Commercial real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,395
Real estate loans | Commercial real estate | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Single-family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,102,845	661,339	$ 639,569
Real estate loans | Single-family residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		656,118
Real estate loans | Single-family residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Single-family residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		5,221
Real estate loans | Single-family residential | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Single-family residential | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,046,450	962,538
Real estate loans | Owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		946,350
Real estate loans | Owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		7,429
Real estate loans | Owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		8,759
Real estate loans | Owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate loans | Owner occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Commercial loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,381,234	965,673
Commercial loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		903,400
Commercial loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		32,452
Commercial loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		20,324
Commercial loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		9,497
Commercial loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Loans to financial institutions and acceptances
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	13,292	13,710
Loans to financial institutions and acceptances | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		13,710
Loans to financial institutions and acceptances | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Loans to financial institutions and acceptances | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Loans to financial institutions and acceptances | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Loans to financial institutions and acceptances | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Consumer loans and overdrafts
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 604,460	423,665	$ 247,120
Consumer loans and overdrafts | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		423,395
Consumer loans and overdrafts | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Consumer loans and overdrafts | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		270
Consumer loans and overdrafts | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Consumer loans and overdrafts | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		$ 0