Deposits Deposits (Details 1) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Time Deposits Balance [Line Items]
Time Deposit Maturities, Next Twelve Months	$ 1,243,848
Time Deposit Maturities, Year Two	109,627
Time Deposit Maturities, Year Three	65,354
Time Deposit Maturities, Year Four	51,573
Time Deposit Maturities, Year Five	56,293
Time Deposit Maturities, after Year Five	75
Time Deposits	1,526,770	$ 2,549,342
Deposits Exceeding FDIC Insurance Limit of $250,000 [Member]
Time Deposits Balance [Line Items]
Time Deposit Maturities, Next Twelve Months	513,310
Time Deposit Maturities, Year Two	16,848
Time Deposit Maturities, Year Three	1,618
Time Deposit Maturities, Year Four	253
Time Deposit Maturities, Year Five	544
Time Deposit Maturities, after Year Five	0
Time Deposits	532,573
Deposits FDC Insured $250,000 and Under [Member]
Time Deposits Balance [Line Items]
Time Deposit Maturities, Next Twelve Months	730,538
Time Deposit Maturities, Year Two	92,779
Time Deposit Maturities, Year Three	63,736
Time Deposit Maturities, Year Four	51,320
Time Deposit Maturities, Year Five	55,749
Time Deposit Maturities, after Year Five	75
Time Deposits	$ 994,197

[Line Items] for Time Deposits Balance [Table]

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- Definition

Amount of time deposits maturing after the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

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Amount of time deposits maturing in the fifth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of time deposits maturing in the second fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of time deposit liabilities, including certificates of deposit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=116652737&loc=d3e64164-112818

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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