Investment Securities - Schedule of Securities Available for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	$ 639,202	$ 482,156
Securities available-for-sale, Gross Unrealized Gains	8,985	11,577
Securities available-for-sale, Gross Unrealized Losses	(4,260)	(459)
Securities available-for-sale, Fair Value	643,927	493,274
Residential Mortgage - Backed
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	509,022	346,001
Securities available-for-sale, Gross Unrealized Gains	4,220	5,034
Securities available-for-sale, Gross Unrealized Losses	(3,680)	(438)
Securities available-for-sale, Fair Value	509,562	350,597
U.S. Govt. Sponsored Enterprises
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	28,667	34,963
Securities available-for-sale, Gross Unrealized Gains	943	1,272
Securities available-for-sale, Gross Unrealized Losses		(4)
Securities available-for-sale, Fair Value	29,610	36,231
State, Country and Municipal
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	98,345	98,026
Securities available-for-sale, Gross Unrealized Gains	3,811	5,220
Securities available-for-sale, Gross Unrealized Losses	(478)	(17)
Securities available-for-sale, Fair Value	101,678	103,229
Corporate Debt Obligations
Schedule of Available for Sale Securities [Line Items]
Securities available-for-sale, Amortized Cost	3,168	3,166
Securities available-for-sale, Gross Unrealized Gains	11	51
Securities available-for-sale, Gross Unrealized Losses	(102)
Securities available-for-sale, Fair Value	$ 3,077	$ 3,217

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

No definition available.

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

+ Details

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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