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Fair Value of Financial Instruments - Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Loans at Fair Value |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | $ 17,011 | $ 17,670
Gain loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Originations | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements | (16,760) | (606)
Balance at end of period | 0 | 17,011
Loans at Fair Value | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 0
Loans at Fair Value | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | (251) | (53)
MSRs |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | 13,660 | 20,697
Gain loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Originations | 5,153 | 5,709
Purchases | 0 | 0
Sales | 0 | 0
Settlements | 0 | 0
Balance at end of period | 16,220 | 13,660
MSRs | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | (2,593) | (12,746)
MSRs | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 0
Securities Available for Sale |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | 44,065 | 38,173
Gain loss recognized in AOCI | (1,263) | 1,575
Purchases, issuances, sales and settlements: |  |
Originations | 0 | 0
Purchases | 1,000 | 6,478
Sales | 0 | (140)
Settlements | (2,341) | (2,021)
Balance at end of period | 41,461 | 44,065
Securities Available for Sale | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 0
Securities Available for Sale | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 0
Securities at Fair Value Through Income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | 11,554 | 11,513
Gain loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Originations | 0 | 0
Purchases | 0 | 0
Sales | 0 | 0
Settlements | (3,243) | (452)
Balance at end of period | 7,497 | 11,554
Securities at Fair Value Through Income | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 0
Securities at Fair Value Through Income | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | $ (814) | $ 493

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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