Long-Term Borrowings - Future Contractual Principal Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Future contractual principal payments and maturities on long term borrowings
2021	$ 10
2023	100,000
2024	100,000
Total	200,010	$ 200,010
FHLB fixed-rate advances
Future contractual principal payments and maturities on long term borrowings
Total	$ 200,000	$ 200,000
FHLB fixed-rate advances \| June 3, 2021
Future contractual principal payments and maturities on long term borrowings
Interest rate (as a percent)	2.80%
FHLB fixed-rate advances \| July 15, 2021
Future contractual principal payments and maturities on long term borrowings
Interest rate (as a percent)	2.65%

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04.(a))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
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