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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Operating activities: |  |  |
Net Income | $ 68,069 | $ 74,042 | $ 39,812
Adjustments to reconcile net income to cash provided by operating activities: |  |  |
Decrease (increase) in accrued interest receivable | (1,370) | 10,464 | 6,504
(Decrease) increase in accrued interest payable | (347) | 730 | 1,086
Provision for loan losses | 261 | 192 | 871
Loss on derivative instruments, net | (10,076) | (908) | (2,825)
Gain on sale of investments, net | 3,354 | 8,461 | 2,096
Loss on non-recourse collateralized financing | 0 | 0 | 1,970
Fair value adjustments, net | (652) | 735 | 2,149
Amortization and depreciation | 136,608 | 90,530 | 32,505
Stock-based compensation expense | 2,314 | 1,712 | 783
Net change in other assets and other liabilities | 6,889 | (934) | (1,538)
Net cash and cash equivalents provided by operating activities | 208,760 | 149,388 | 70,641
Investing activities: |  |  |
Purchase of investments | 1,419,060 | 2,639,909 | 1,606,819
Principal payments received on investments | 913,210 | 679,635 | 468,401
Proceeds from sales of investments | 358,090 | 231,145 | 184,688
Principal payments received on securitized mortgage loans | 15,828 | 40,830 | 37,556
Net payments on derivatives not designated as hedges | 39,097 | 0 | 0
Other investing activities | (5,891) | 2,893 | (419)
Net cash and cash equivalents used in investing activities | (165,138) | (1,691,192) | (915,755)
Financing activities: |  |  |
Borrowings under repurchase agreements, net | 16,209 | 1,470,995 | 859,610
Deferred borrowing costs paid | 0 | 825 | 0
Principal payments on non-recourse collateralized financing | (17,840) | (40,626) | (15,296)
Cash paid to redeem securitization financing bond | 0 | 0 | 23,669
Increase in restricted cash | 13,346 | 0 | 0
Proceeds from issuance of preferred stock | 54,251 | 55,407 | 0
Proceeds from issuance of common stock | 7,436 | 123,868 | 95,282
Cash paid for repurchases of common stock | 6,934 | 921 | 0
Payments Related to Tax Withholding for Share-based Compensation | 545 | 0 | 0
Dividends paid | 69,332 | 59,061 | 40,873
Net cash and cash equivalents provided by (used in) financing activities | (30,101) | 1,548,837 | 875,054
Net increase (decrease) in cash and cash equivalents | 13,521 | 7,033 | 29,940
Cash and cash equivalents at beginning of period | 55,809 | 48,776 | 18,836
Cash and cash equivalents at end of period | 69,330 | 55,809 | 48,776
Supplemental Disclosure of Cash Activities: |  |  |
Cash paid for interest | $ 33,517 | $ 34,035 | $ 22,110

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- Definition Amount of expense related to loss from loan transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(c)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Trading Securities -URI http://asc.fasb.org/extlink&oid=6526789 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560 + Details
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